Chullin Daf 96 (חולין דף צ״ו)

📖 Breakdown

Amud Aleph (96a)

Segment 1

TYPE: מסקנת רבא

Rava’s reversal: having heard these rulings, visual recognition is superior to a distinguishing mark

Hebrew/Aramaic:

וְלָא מַהְדְּרִינַן בִּטְבִיעוּת עֵינָא. הַשְׁתָּא דִּשְׁמַעְתִּינְהוּ לְהָנֵי שְׁמַעְתָּתָא, אָמֵינָא: טְבִיעוּת עֵינָא עֲדִיפָא.

English Translation:

but we do not return a lost item to one who claims to be its owner based solely on visual recognition. But now that I have heard these statements pertaining to meat or sky-blue wool that were obscured from sight and then permitted based upon visual recognition, I say that visual recognition is preferable to a distinguishing mark.

קלאוד על הדף:

Rava’s reflection begun at 95b’s close completes. His starting intuition favored the siman: lost property is returned on distinguishing marks, while a bare claim of recognition returns nothing. But now that I have heard these rulings — the meat and techelet permitted on tevi’ut ayin alone — I say: visual recognition is superior. The courts prefer simanim only because most claimants’ recognition cannot be tested; where genuine, the trained eye’s certainty outranks any checklist of marks.

Key Terms:

• טְבִיעוּת עֵינָא עֲדִיפָא = visual recognition is superior — Rava’s reversal in favor of the trained eye

Segment 2

TYPE: ראיה

The proof from daily life: the blind man and his wife, and every husband at night — recognition by voice

Hebrew/Aramaic:

דְּאִי לָא תֵּימָא הָכִי, הֵיאַךְ סוֹמֵא מוּתָּר בְּאִשְׁתּוֹ, וּבְנֵי אָדָם אֵיךְ מוּתָּרִין בִּנְשׁוֹתֵיהֶן בַּלַּיְלָה? אֶלָּא בִּטְבִיעוּת עֵינָא דְּקָלָא, הָכָא נָמֵי בִּטְבִיעוּת עֵינָא.

English Translation:

Furthermore, one must hold that sensory recognition is reliable even without identifying marks, for if you do not say so, how is it that a blind man permitted to engage in sexual intercourse with his wife despite the fact that he cannot identify her by means of her identifying marks? And similarly, how are any men permitted to engage in intercourse with their wives at night, when it is dark and they cannot see their wives’ identifying marks? Rather, one must say that they identify their wives based on voice recognition. Here too, in these cases of lost meat and sky-blue wool, they remain permitted based on visual recognition.

קלאוד על הדף:

Rava grounds the reversal in life itself: if recognition were unreliable, how is a blind man permitted to his wife, and how are all men permitted to their wives at night, when no identifying marks can be seen? It must be that recognition by the timbre of a voice — tevi’ut eina d’kala — suffices for the gravest matters of personal status. Sensory recognition is the ordinary foundation of human relations; the halacha of found objects merely joins what life already trusts.

Key Terms:

• סוּמָא מוּתָּר בְּאִשְׁתּוֹ = a blind man is permitted to his wife — personal identity established without visible marks
• טְבִיעוּת עֵינָא דְּקָלָא = recognition of the voice — auditory tevi’ut ayin, valid for the most severe prohibitions

Segment 3

TYPE: ראיה

Rav Yitzchak: capital witnesses testify by recognition — description alone cannot convict, recognition can

Hebrew/Aramaic:

אָמַר רַב יִצְחָק בְּרֵיהּ דְּרַב מְשַׁרְשְׁיָא: תֵּדַע, דְּאִילּוּ אָתוּ בִּתְרֵי וְאָמְרִי: פְּלָנְיָא, דְּהַאי סִימָנֵיהּ וְהַאי סִימָנֵיהּ, קְטַל נַפְשָׁא – לָא קָטְלִינַן לֵיהּ, וְאִילּוּ אָמְרִי: אִית לַן טְבִיעוּת עֵינָא בְּגַוֵּיהּ – קָטְלִינַן לֵיהּ.

English Translation:

Rav Yitzḥak, son of Rav Mesharshiyya, said: You can know that visual recognition is preferable to a distinguishing mark, because if two witnesses come to court and say: So-and-so, who has this distinguishing mark and that distinguishing mark, killed a person, we would not kill him based on this testimony. But if the two witnesses say: We have visual recognition of him, and they confirm that the accused individual committed murder, we kill him based on their testimony.

קלאוד על הדף:

Rav Yitzchak son of Rav Mesharshiya adds the decisive juridical proof: if two witnesses testify ‘a man of this mark and that mark killed’ — the court does not execute; a description, however detailed, convicts no one. But if they say ‘we recognize him’ — the court executes. Capital law, the halacha’s most exacting standard of proof, runs entirely on tevi’ut ayin. Recognition is not a lesser substitute for marks; it is the very thing testimony is made of.

Key Terms:

• קָטְלִינַן לֵיהּ = we execute him — capital conviction stands on the witnesses’ recognition, never on a mere description

Segment 4

TYPE: ראיה

Rav Ashi: send an agent to call a man by his marks — he may not find him; by recognition — he knows him on sight

Hebrew/Aramaic:

אָמַר רַב אָשֵׁי: תֵּדַע, דְּאִילּוּ אָמַר לֵיהּ אִינִישׁ לִשְׁלוּחֵיהּ: קַרְיֵיהּ לִפְלָנְיָא, דְּהַאי סִימָנֵיהּ וְהַאי סִימָנֵיהּ – סָפֵק יָדַע לֵיהּ, סָפֵק לָא יָדַע לֵיהּ, וְאִילּוּ אִית לֵיהּ טְבִיעוּת עֵינָא בְּגַוֵּיהּ – כִּי חָזֵי לֵיהּ, יָדַע לֵיהּ.

English Translation:

Rav Ashi said: You can know that visual recognition is preferable to a distinguishing mark, because if a man says to his agent: Call so-and-so, who has this distinguishing mark and that distinguishing mark, it is uncertain whether the agent will recognize him and know whom to call or whether he will not know him. But if he has visual recognition of him, when he sees him he will know it is him.

קלאוד על הדף:

Rav Ashi seals the argument from common experience: tell your agent, ‘call so-and-so, who has this mark and that mark’ — perhaps he will identify him, perhaps not; a description underdetermines a face. But if the agent knows him by sight, the moment he sees him, he knows him. Marks are an inventory; recognition is acquaintance — and acquaintance is the stronger knowing. With this the identification sugya closes, its hierarchy established.

Key Terms:

• כִּי חָזֵי לֵיהּ יָדַע לֵיהּ = when he sees him, he knows him — recognition operates instantly where description fumbles

Segment 5

TYPE: משנה

One who removes the gid must take all of it; Rabbi Yehuda: enough to fulfill the mitzva of removal

Hebrew/Aramaic:

מַתְנִי׳ הַנּוֹטֵל גִּיד הַנָּשֶׁה, צָרִיךְ שֶׁיִּטּוֹל אֶת כּוּלּוֹ. רַבִּי יְהוּדָה אוֹמֵר: כְּדֵי לְקַיֵּים בּוֹ מִצְוַת נְטִילָה.

English Translation:

MISHNA: One who removes the sciatic nerve must scrape away the flesh in the area surrounding the nerve to ensure that he will remove all of it. Rabbi Yehuda says: Scraping is not required; it is sufficient to excise it from the area above the rounded protrusion in order to thereby fulfill the mitzva of removal of the sciatic nerve.

קלאוד על הדף:

The mishna returns to the craft of nikkur. The first tanna: one who removes the sciatic nerve must remove all of it — scraping after every embedded trace (Rabbi Meir’s chatita, per the baraita on 92b). Rabbi Yehuda says: it suffices to remove enough to fulfill the mitzva of removal — excising the nerve at the kaf, without hunting its ramifications through the thigh. The practical stakes of the dispute are about to walk into Shmuel’s kitchen.

Key Terms:

• צָרִיךְ שֶׁיִּטּוֹל אֶת כּוּלּוֹ = he must remove all of it — complete excision, with scraping
• כְּדֵי לְקַיֵּים בּוֹ מִצְוַת נְטִילָה = enough to fulfill the mitzva of removal — Rabbi Yehuda’s minimal standard

Segment 6

TYPE: משנה (המשך)

The eating measures: a kezayit — forty lashes; a whole nerve under a kezayit — liable; both legs — eighty; Rabbi Yehuda: forty

Hebrew/Aramaic:

הָאוֹכֵל מִגִּיד הַנָּשֶׁה כְּזַיִת – סוֹפֵג אַרְבָּעִים. אֲכָלוֹ וְאֵין בּוֹ כְּזַיִת – חַיָּיב. אָכַל מִזֶּה כְּזַיִת וּמִזֶּה כְּזַיִת – סוֹפֵג שְׁמוֹנִים. רַבִּי יְהוּדָה אוֹמֵר: אֵינוֹ סוֹפֵג אֶלָּא אַרְבָּעִים.

English Translation:

One who eats an olive-bulk of the sciatic nerve incurs forty lashes. If one eats an entire sciatic nerve and it does not constitute an olive-bulk, he is nevertheless liable to receive lashes, because a complete sciatic nerve is a complete entity. If one ate an olive-bulk from this sciatic nerve in the right leg, and an olive-bulk from that sciatic nerve in the left leg, he incurs [sofeg] eighty lashes. Rabbi Yehuda says: He incurs only forty lashes, for eating the olive-bulk from the right leg, and he is exempt for eating the olive-bulk from the left leg.

קלאוד על הדף:

The mishna’s second half fixes the measures. Eating an olive-bulk of the gid — forty lashes. Eating an entire nerve that falls short of an olive-bulk — still liable, for a complete entity (beriya) is significant at any size. An olive-bulk from the right leg’s nerve and an olive-bulk from the left’s — eighty lashes; Rabbi Yehuda says only forty, consistent with his view (90b) that only one leg’s nerve — the right — is Torah-forbidden.

Key Terms:

• בְּרִיָּה = a complete entity — a whole forbidden creature or unit, significant even under the olive-bulk threshold
• סוֹפֵג שְׁמוֹנִים = he incurs eighty — two nerves, two sets of lashes for the first tanna

Segment 7

TYPE: מעשה

Bar Peyoli deveins before Shmuel: ‘go deeper — you would have fed me issur!’

Hebrew/Aramaic:

גְּמָ׳ בַּר פָּיוֹלֵי הֲוָה קָאֵי קַמֵּיהּ דִּשְׁמוּאֵל, וְקָא מְנַקַּר אַטְמָא. הֲוָה קָא גָאֵים לֵיהּ, אֲמַר לֵיהּ: חוֹת בֵּיהּ טְפֵי, הַשְׁתָּא לָא חֲזֵיתָךְ – סְפֵית לִי אִיסּוּרָא!

English Translation:

GEMARA: A man known as bar Peyoli was standing before Shmuel and was removing the sciatic nerve from the leg of an animal. He was cutting out the nerve without scraping away the surrounding flesh, in accordance with the opinion of Rabbi Yehuda. Shmuel said to him: Go down further and scrape away the flesh in order to remove the entire nerve. Now, if I would not have seen you and instructed you in the process of removing the sciatic nerve, you would have fed me forbidden meat.

קלאוד על הדף:

The Gemara opens with the mishna’s dispute embodied. Bar Peyoli stood before Shmuel deveining a thigh, trimming the nerve level without scraping — Rabbi Yehuda’s method. Shmuel told him: go down further into it — had I not seen you now, you would have fed me forbidden meat. The posek’s table is the arena: what one authority’s tradition sanctions, another’s rejects as issur outright.

Key Terms:

• מְנַקַּר אַטְמָא = deveining a thigh — performing nikkur on the hindquarter
• חוֹת בֵּיהּ טְפֵי = ‘go down further into it’ — Shmuel’s demand for the deeper, scraping excision

Segment 8

TYPE: המשך המעשה

The knife falls from his trembling hand; Shmuel gentles: your teacher taught you like Rabbi Yehuda

Hebrew/Aramaic:

אִירְתַת, נְפַל סַכִּינָא מִידֵיהּ. אֲמַר לֵיהּ: לָא תִּירְתַת, דְּאוֹרִי לָךְ כְּרַבִּי יְהוּדָה אוֹרִי לָךְ.

English Translation:

Bar Peyoli became afraid due to Shmuel’s rebuke and the knife fell from his hand. Shmuel said to him: Do not be afraid. I do not think that you are an ignoramus or a wicked person. You are removing the sciatic nerve as you were taught; the person who taught you must hold in accordance with the opinion of Rabbi Yehuda, and this is how he taught you to remove the sciatic nerve. But I hold that the entire sciatic nerve must be removed, in accordance with the opinion of the first tanna.

קלאוד על הדף:

Bar Peyoli trembled at the rebuke and the knife fell from his hand. Shmuel softened: do not tremble — whoever instructed you, instructed you according to Rabbi Yehuda. The deveiner was no ignoramus and no sinner; he was the faithful student of a legitimate tradition that Shmuel simply does not follow in practice. The scene models how a posek voids another school’s leniency without voiding its practitioners.

Key Terms:

• לָא תִּירְתַת = ‘do not tremble’ — Shmuel’s reassurance: the fault lay in the ruling followed, not in the man

Segment 9

TYPE: ביאור (הו”א)

Rav Sheshet’s first account collapses: if he took the Torah-level and left the rabbinic-level of Rabbi Yehuda — who taught him that?

Hebrew/Aramaic:

אָמַר רַב שֵׁשֶׁת: מַאי דִּשְׁקַל בַּר פָּיוֹלֵי – דְּאוֹרָיְיתָא, לְרַבִּי יְהוּדָה. מִכְּלָל דְּשַׁיַּיר – דְּרַבָּנַן, לְרַבִּי יְהוּדָה. אֶלָּא, דְּאוֹרִי לֵיהּ כְּמַאן אוֹרִי לֵיהּ?

English Translation:

Rav Sheshet said in explanation of this incident: That which bar Peyoli removed was the section of the sciatic nerve one is required to remove by Torah law according to the opinion of Rabbi Yehuda. The Gemara asks: Based upon this statement, one can derive by inference that he left behind the section of the sciatic nerve one is required to remove by rabbinic law according to the opinion of Rabbi Yehuda. But if so, in accordance with whose opinion did the person who taught him how to remove the sciatic nerve teach him? Even according to Rabbi Yehuda he would have transgressed a rabbinic prohibition.

קלאוד על הדף:

Rav Sheshet explains the incident — and the first formulation self-destructs. Say bar Peyoli removed what is Torah-forbidden according to Rabbi Yehuda, leaving what is rabbinically required according to Rabbi Yehuda; but then his teacher taught him according to no one — even Rabbi Yehuda’s own school would fault the omission. The incident must be re-parsed.

Key Terms:

• דְּאוֹרִי לֵיהּ כְּמַאן = ‘according to whom did he instruct him?’ — a practice must map onto some tanna’s position

Segment 10

TYPE: ביאור (מסקנא)

The correct account: he took the Torah-level portion; what he left is rabbinic for Rabbi Meir and permitted for Rabbi Yehuda

Hebrew/Aramaic:

אֶלָּא אָמַר רַב שֵׁשֶׁת: מַאי דִּשְׁקַל בַּר פָּיוֹלֵי – דְּאוֹרָיְיתָא, וּמַאי דְּשַׁיַּיר – דְּרַבָּנַן, לְרַבִּי מֵאִיר; דְּאִי רַבִּי יְהוּדָה – אֲפִילּוּ מִדְּרַבָּנַן שְׁרֵי.

English Translation:

Rather, Rav Sheshet said: That which bar Peyoli removed was the section of the sciatic nerve that is forbidden by Torah law. And that which he left over is forbidden by rabbinic law according to the opinion of Rabbi Meir, as explained above (92b) in a baraita; as if one were to follow the opinion of Rabbi Yehuda, the section that bar Peyoli left over is permitted even by rabbinic law.

קלאוד על הדף:

Rav Sheshet’s corrected account: bar Peyoli removed the portion forbidden by Torah law — the nerve on the kaf — and what he left is forbidden only rabbinically, and only per Rabbi Meir, whose chatita-standard demands pursuit of every trace; per Rabbi Yehuda, what he left is permitted outright. His teacher was thus squarely Rabbi Yehuda; Shmuel enforces the stringent standard. The daf’s map of the nerve — Torah at the kaf, rabbinic beyond — now becomes the sugya’s explicit subject.

Key Terms:

• מַאי דְּשַׁיַּיר דְּרַבָּנַן לְרַבִּי מֵאִיר = what he left is rabbinic per Rabbi Meir — and permitted per Rabbi Yehuda

Segment 11

TYPE: מימרא

Shmuel: the Torah forbade only what is upon the kaf — ‘al kaf hayarech’

Hebrew/Aramaic:

הָאוֹכֵל מִגִּיד הַנָּשֶׁה [וְכוּ׳]. אָמַר שְׁמוּאֵל: לֹא אָסְרָה תּוֹרָה אֶלָּא שֶׁעַל הַכַּף בִּלְבַד, שֶׁנֶּאֱמַר: ״עַל כַּף הַיָּרֵךְ״.

English Translation:

§ The mishna teaches: One who eats an olive-bulk of the sciatic nerve incurs forty lashes. Shmuel says: The Torah prohibits only the part of the sciatic nerve that is on the rounded protrusion of flesh shaped like a spoon that is near the end of the femur. This is as it is stated in the verse: “Therefore the children of Israel eat not the sciatic nerve that is upon the spoon of the thigh” (Genesis 32:33).

קלאוד על הדף:

On the mishna’s eating clause, Shmuel states the anatomical boundary of the Torah prohibition: the Torah forbade only the portion of the nerve upon the kaf — the rounded mound of flesh at the femur’s head — as the verse says, ‘the gid hanasheh which is upon the kaf of the thigh’ (Bereishit 32:33). The rest of the nerve’s length, for Shmuel, is rabbinic. The verse’s preposition draws the line the deveiner’s knife must honor.

Key Terms:

• שֶׁעַל הַכַּף בִּלְבַד = only what is upon the kaf — Shmuel’s Torah-level boundary within the nerve

Segment 12

TYPE: כתנאי

Rav Pappa: Shmuel’s ruling tracks the tannaitic dispute over the whole nerve under a kezayit

Hebrew/Aramaic:

אָמַר רַב פָּפָּא: כְּתַנָּאֵי, אֲכָלוֹ וְאֵין בּוֹ כְּזַיִת – חַיָּיב. רַבִּי יְהוּדָה אוֹמֵר: עַד שֶׁיְּהֵא בּוֹ כְּזַיִת.

English Translation:

Rav Pappa says: This statement of Shmuel is subject to a dispute between tanna’im, as it is taught in a baraita: If one ate the entire sciatic nerve and it did not contain an olive-bulk, he is nevertheless liable to be flogged. Rabbi Yehuda says: He is not liable unless it has a volume of at least an olive-bulk.

קלאוד על הדף:

Rav Pappa maps Shmuel’s ruling onto a baraita: one who ate a whole nerve lacking an olive-bulk — liable, per the first tanna; Rabbi Yehuda says, not until it contains an olive-bulk. The coming analysis will show each side’s scriptural economy — and that Shmuel’s kaf-boundary is precisely what the Rabbis’ reading of the verse yields.

Key Terms:

• כְּתַנָּאֵי = as a tannaitic dispute — an amora’s ruling aligned with one side of a baraita

Segment 13

TYPE: ביאור (נמשך)

The Rabbis’ reason: the nerve is a beriya — a complete entity

Hebrew/Aramaic:

מַאי טַעְמָא דְּרַבָּנַן? בְּרִיָּה (בִּפְנֵי עַצְמָהּ) הִיא.

English Translation:

Rav Pappa explains how this relates to Shmuel’s statement. What is the reason for the opinion of the Rabbis, who disagree with Rabbi Yehuda? They hold that the sciatic nerve is a distinct entity. Therefore, even if one eats less than an olive-bulk it is a significant act of eating, and one is liable.

קלאוד על הדף:

The analysis opens with the Rabbis’ reason: the gid is a beriya — a complete, self-standing entity — and eating a whole entity is a significant act of eating at any volume, like eating a whole forbidden ant. The threshold of the olive-bulk measures fragments; wholeness is its own measure. Rabbi Yehuda’s counter-reading opens the next amud.

Key Terms:

• בְּרִיָּה הִיא = it is a complete entity — wholeness confers significance below the kezayit

Amud Bet (96b)

Segment 1

TYPE: שקלא וטריא

Rabbi Yehuda: ‘eating’ is written — a kezayit; the Rabbis: ‘eating’ teaches a kezayit of a large nerve suffices

Hebrew/Aramaic:

וְרַבִּי יְהוּדָה – אֲכִילָה כְּתִיבָה בֵּיהּ, וְרַבָּנַן – הַהִיא אֲכִילָה דְּכִי אִית בֵּיהּ אַרְבָּעָה וַחֲמִשָּׁה זֵיתִים וַאֲכַל חַד כְּזַיִת מִיחַיַּיב.

English Translation:

And what does Rabbi Yehuda hold? He holds that since the term: Eating, is written with regard to the sciatic nerve, and a significant act of eating is generally defined as eating an olive-bulk, one is liable only if he eats an olive-bulk. And what do the Rabbis derive from this term? That usage of the term eating indicates that in a case where the sciatic nerve contains four or five olive-bulks and one ate only one olive-bulk, he is liable. Nevertheless, if one eats the entire sciatic nerve, he is liable even if it contains less than an olive-bulk.

קלאוד על הדף:

Rabbi Yehuda’s reply: the Torah wrote eating by the gid — ‘therefore the children of Israel do not eat’ — and a halachic act of eating is an olive-bulk; the beriya principle yields to the written term. The Rabbis redirect the term: ‘eating’ teaches that where the nerve holds four or five olive-bulks, one who ate a single kezayit is already liable — partial consumption of a large nerve counts; and the whole-nerve-under-a-kezayit case stands on beriya.

Key Terms:

• אֲכִילָה כְּתִיבָה בֵּיהּ = ‘eating’ is written concerning it — importing the olive-bulk standard
• אַרְבָּעָה וַחֲמִשָּׁה זֵיתִים = four or five olive-bulks — a large nerve, of which one kezayit already creates liability

Segment 2

TYPE: שקלא וטריא (המשך)

Rabbi Yehuda derives the partial-eating rule from ‘that is upon the kaf of the thigh’

Hebrew/Aramaic:

וְרַבִּי יְהוּדָה, מֵ״אֲשֶׁר עַל כַּף הַיָּרֵךְ״ נָפְקָא.

English Translation:

And according to Rabbi Yehuda, from where is it derived that one is liable for eating one olive-bulk of a larger sciatic nerve? He holds that it is derived from the phrase “that is upon the spoon of the thigh,” which indicates that even if one eats only the part of the sciatic nerve that is upon the spoon of the thigh, rather than the entire sciatic nerve, he is liable.

קלאוד על הדף:

And Rabbi Yehuda — whence the rule that a kezayit of a large nerve creates liability? From ‘asher al kaf hayarech’: the verse forbids even just the portion upon the kaf — a part of the whole nerve — teaching that partial consumption suffices for liability. Each side now has its sources; the question becomes what each does with the other’s verse.

Key Terms:

• מֵאֲשֶׁר עַל כַּף הַיָּרֵךְ נָפְקָא = derived from ‘that is upon the kaf of the thigh’ — the phrase teaching partial-eating liability

Segment 3

TYPE: שקלא וטריא (המשך)

The Rabbis assign that phrase to Shmuel’s boundary; Rabbi Yehuda reads ‘the thigh’ — the whole thigh’s nerve

Hebrew/Aramaic:

וְרַבָּנַן, הַהוּא מִיבְּעֵי לֵיהּ לִכְדִשְׁמוּאֵל, דְּאָמַר שְׁמוּאֵל: לֹא אָסְרָה תּוֹרָה אֶלָּא שֶׁעַל כַּף הַיָּרֵךְ. וְרַבִּי יְהוּדָה – ״הַיָּרֵךְ״ כְּתִיב, דְּכוּלַּהּ יָרֵךְ.

English Translation:

And how do the Rabbis interpret that phrase? That phrase is necessary to teach the halakha stated by Shmuel, as Shmuel said: The Torah prohibits only the part of the sciatic nerve that is on the rounded protrusion of flesh shaped like a spoon. And what does Rabbi Yehuda hold with regard to the halakha stated by Shmuel? He derives from the fact that it is written: “The spoon of the thigh,” that the sciatic nerve of the entire thigh is forbidden, not just the part that is on the rounded protrusion of flesh shaped like a spoon.

קלאוד על הדף:

The Rabbis assign ‘upon the kaf of the thigh’ to Shmuel’s teaching: the Torah forbade only what lies upon the kaf. And Rabbi Yehuda? He reads ‘hayarech’ — the thigh — as encompassing: the nerve of the entire thigh is Torah-forbidden, not merely its kaf-segment. The tannaitic dispute over measures has become a dispute over the anatomical extent of the Torah’s prohibition — with Shmuel standing with the Rabbis.

Key Terms:

• לִכְדִשְׁמוּאֵל = for Shmuel’s teaching — the Rabbis’ assignment of the kaf-phrase
• דְּכוּלַּהּ יָרֵךְ = of the whole thigh — Rabbi Yehuda’s expansive reading

Segment 4

TYPE: שקלא וטריא (סיום)

The Rabbis: the spreading nerve excludes the outer one — yet liability remains at the kaf

Hebrew/Aramaic:

וְרַבָּנַן, הַהוּא דְּפָשֵׁיט אִיסּוּרֵיהּ בְּכוּלַּיהּ יָרֵךְ, לְאַפּוֹקֵי חִיצוֹן דְּלָא, וּלְעוֹלָם שֶׁעַל הַכַּף.

English Translation:

And how do the Rabbis interpret “the spoon of the thigh”? According to the Rabbis, this expression indicates that the prohibition of the sciatic nerve applies to the nerve that extends throughout the entire thigh, i.e., the inner nerve, which serves to exclude the outer nerve, which is not forbidden by Torah law; but in fact, only the part of the inner nerve that is on the protrusion of flesh shaped like a spoon is forbidden, not the entire inner nerve.

קלאוד על הדף:

The Rabbis’ final accounting of the phrase: ‘the thigh’ identifies which nerve — the one that spreads through the entire thigh, the inner nerve — to the exclusion of the outer, which is not Torah-forbidden; and nevertheless the prohibition’s site remains what is upon the kaf. One phrase thus selects the nerve and bounds it: the inner nerve, at its kaf-portion, is the Torah’s gid.

Key Terms:

• לְאַפּוֹקֵי חִיצוֹן = to exclude the outer nerve — ‘the thigh’ selects the inner, spreading nerve

Segment 5

TYPE: קושיא ותירוץ

But ‘kaf’ is needed to exclude birds! Two occurrences of ‘kaf’ are written

Hebrew/Aramaic:

וְהַאי ״כַּף״ מִיבְּעֵי לֵיהּ לְמַעוֹטֵי עוֹף, דְּלֵית לֵיהּ כַּף! תְּרֵי ״כַּף״ כְּתִיבִי.

English Translation:

The Gemara objects: But this term “spoon” is required to exclude the sciatic nerve of a bird, which does not have a rounded protrusion on its thigh bone that can be described as the spoon of the thigh, as taught in the mishna (89b). The Gemara explains: There are two usages of the term “spoon” written in the verse, and therefore two separate halakhot can be derived from this term.

קלאוד על הדף:

One more accounting: the term kaf is needed to exclude birds — the mishna’s rule (89b, expounded on 92b) that a bird, having no rounded kaf, has no gid prohibition. The answer: ‘kaf’ appears twice in the verse — one occurrence excludes the bird, the other founds Shmuel’s boundary. The verse’s economy is exactly sufficient; every reading of the sugya finds its word.

Key Terms:

• תְּרֵי כַּף כְּתִיבִי = two occurrences of ‘kaf’ are written — one for the bird-exclusion, one for Shmuel’s boundary

Segment 6

TYPE: משנה

A thigh cooked with its gid: forbidden if the nerve imparts flavor — measured as meat in turnip

Hebrew/Aramaic:

מַתְנִי׳ יָרֵךְ שֶׁנִּתְבַּשֵּׁל בָּהּ גִּיד הַנָּשֶׁה, אִם יֵשׁ בָּהּ בְּנוֹתֵן טַעַם – הֲרֵי זוֹ אֲסוּרָה. כֵּיצַד מְשַׁעֲרִין אוֹתָהּ? כְּבָשָׂר בְּלֶפֶת.

English Translation:

MISHNA: In the case of a thigh that was cooked with the sciatic nerve in it, if there is enough of the sciatic nerve in it to impart its flavor to the thigh, the entire thigh is forbidden for consumption. How does one measure whether there is enough sciatic nerve to impart flavor to the meat of the entire thigh? One relates to it as though the sciatic nerve were meat imparting flavor to a turnip. If meat the volume of the sciatic nerve would impart flavor to a turnip the volume of the thigh when they were cooked together, then the entire thigh is forbidden.

קלאוד על הדף:

A new mishna carries the gid into the laws of mixtures. A thigh cooked with its sciatic nerve inside: if the nerve is enough to impart flavor (b’notein ta’am) to the thigh, the whole thigh is forbidden. And the measure: as meat in turnip — one assesses whether meat of the nerve’s volume would flavor a turnip of the thigh’s volume; nerve-flavor itself being faint, the Sages benchmarked it against the standard flavoring power of meat. Ta’am — taste — becomes the unit of prohibition.

Key Terms:

• בְּנוֹתֵן טַעַם = by imparting flavor — the criterion by which a forbidden ingredient forbids its mixture
• כְּבָשָׂר בְּלֶפֶת = as meat in turnip — the benchmark for assessing the nerve’s flavoring power

Segment 7

TYPE: משנה (המשך)

A gid cooked among sinews: identified — flavor governs; unidentified — all are forbidden, the broth by flavor

Hebrew/Aramaic:

גִּיד הַנָּשֶׁה שֶׁנִּתְבַּשֵּׁל עִם הַגִּידִים, בִּזְמַן שֶׁמַּכִּירוֹ – בְּנוֹתֵן טַעַם, וְאִם לָאו – כּוּלָּן אֲסוּרִין, וְהָרוֹטֶב בְּנוֹתֵן טַעַם.

English Translation:

With regard to a sciatic nerve that was cooked with other sinews, when one identifies the sciatic nerve and removes it, the other sinews are forbidden if the sciatic nerve was large enough to impart flavor. And if he does not identify it, all the sinews are forbidden because each one could be the sciatic nerve; but the broth is forbidden only if the sciatic nerve imparts flavor to the broth.

קלאוד על הדף:

The mishna’s second clause: a sciatic nerve cooked with other sinews. If one can identify it — he removes it, and the rest are forbidden only if it imparted flavor. If he cannot identify it — all the sinews are forbidden, for each may be the gid; and the broth is judged by flavor. Identifiability splits the law: a removable prohibition leaves only its taste behind; an unidentifiable one converts every candidate into itself.

Key Terms:

• בִּזְמַן שֶׁמַּכִּירוֹ = when he can identify it — removal plus the flavor test
• כּוּלָּן אֲסוּרִין = all are forbidden — each sinew is a possible gid when none can be singled out

Segment 8

TYPE: משנה (סיום)

Likewise a piece of neveila or non-kosher fish among pieces: identified — flavor; unidentified — all forbidden

Hebrew/Aramaic:

וְכֵן חֲתִיכָה שֶׁל נְבֵלָה, וְכֵן חֲתִיכָה שֶׁל דָּג טָמֵא שֶׁנִּתְבַּשְּׁלָה עִם הַחֲתִיכוֹת, בִּזְמַן שֶׁמַּכִּירָן – בְּנוֹתֵן טַעַם, וְאִם לָאו – כּוּלָּן אֲסוּרוֹת, וְהָרוֹטֶב בְּנוֹתֵן טַעַם.

English Translation:

And similarly, in the case of a piece of an animal carcass or a piece of non-kosher fish that was cooked with similar pieces of kosher meat or fish, when one identifies the forbidden piece and removes it, the rest of the meat or fish is forbidden only if the forbidden piece was large enough to impart flavor to the entire mixture. And if he does not identify and remove the forbidden piece, all the pieces are forbidden, due to the possibility that each piece one selects might be the forbidden piece; but the broth is forbidden only if the forbidden piece imparts flavor to the broth.

קלאוד על הדף:

The mishna generalizes: so too a piece of neveila-meat, or of non-kosher fish, cooked among kosher pieces — identified and removed, the rest are forbidden only by imparted flavor; unidentified, all the pieces are forbidden, and the broth by flavor. The gid’s rules turn out to be the template for the whole law of forbidden foods in mixtures: identification, removal, and the sovereignty of ta’am.

Key Terms:

• חֲתִיכָה שֶׁל נְבֵלָה = a piece of carcass-meat — the paradigm forbidden piece among kosher ones

Segment 9

TYPE: מימרא

Shmuel: they taught this of cooking — but roasted, one peels and eats until reaching the gid

Hebrew/Aramaic:

גְּמָ׳ אָמַר שְׁמוּאֵל: לֹא שָׁנוּ אֶלָּא שֶׁנִּתְבַּשֵּׁל בָּהּ, אֲבָל נִצְלָה בָּהּ – קוֹלֵף וְאוֹכֵל עַד שֶׁמַּגִּיעַ לַגִּיד.

English Translation:

GEMARA: The mishna teaches that a thigh that was cooked with the sciatic nerve is forbidden if the nerve imparts flavor to the thigh. Shmuel says: The Sages taught that the thigh is entirely forbidden only when it was cooked with the sciatic nerve inside it. But if the sciatic nerve was roasted inside the thigh, one may peel away the meat and eat it until he reaches the sciatic nerve, and then he removes the nerve.

קלאוד על הדף:

Shmuel limits the mishna: they taught the flavor-spread rule only where the nerve was cooked in the thigh — liquid convection carries taste everywhere. But if the thigh was roasted with its nerve, one peels and eats layer by layer until he reaches the gid, and discards it: roasting, on this view, drives flavor only locally, not through the joint. The kitchen’s physics — pot versus fire — becomes halachic architecture.

Key Terms:

• קוֹלֵף וְאוֹכֵל עַד שֶׁמַּגִּיעַ לַגִּיד = he peels and eats until he reaches the gid — roasting confines the flavor’s spread

Segment 10

TYPE: קושיא (נמשכת)

But Rav Huna forbade a kid roasted with its chelev even from the ear! The daf ends mid-challenge

Hebrew/Aramaic:

אִינִי? וְהָאָמַר רַב הוּנָא: גְּדִי שֶׁצְּלָאוֹ בְּחֶלְבּוֹ – אָסוּר לֶאֱכוֹל אֲפִילּוּ מֵרֹאשׁ אׇזְנוֹ!

English Translation:

The Gemara challenges: Is that so? But doesn’t Rav Huna say: With regard to a kid that was roasted with its forbidden fat, it is prohibited to eat any part of the animal, even from the top of its ear? This proves that roasting, like cooking, spreads the flavor of the forbidden fat throughout the entire animal.

קלאוד על הדף:

The challenge lands at once: Rav Huna ruled that a kid roasted with its forbidden fat is forbidden even from the tip of its ear — roasting evidently spreads flavor through the whole animal! Shmuel’s peel-and-eat leniency stands contradicted; the reconciliation — distinguishing the rich, penetrating chelev from the lean gid — opens on 97a.

Key Terms:

• גְּדִי שֶׁצְּלָאוֹ בְּחֶלְבּוֹ = a kid roasted with its forbidden fat — forbidden even from the ear-tip, per Rav Huna

📝 Summary

Overview

Chullin 96 closes one sugya and opens two more. Rava’s analysis of identification concludes with a reversal: having heard the rulings permitting lost meat and techelet on visual recognition alone, he declares tevi’ut ayin adifa — recognition is superior to a distinguishing mark — backed by three proofs. A new mishna then returns to the sciatic nerve itself: how much must be removed, and how much eaten creates liability. The Gemara illustrates the removal dispute through the bar Peyoli incident in Shmuel’s kitchen, fixes the Torah prohibition’s boundary at the kaf, and traces the whole-nerve-under-a-kezayit dispute through a tight verse-economy analysis. A second mishna carries the gid into the laws of mixtures — flavor as the measure of prohibition — and Shmuel’s leniency for roasting meets an immediate challenge as the daf ends.

Amud Aleph Highlights

• Rava’s conclusion: at first the siman seemed superior, since lost items are returned by marks; now, tevi’ut ayin is superior.
• Three proofs: a blind man and his wife, and all husbands at night — recognition by voice; capital witnesses convict by recognition, never by description (Rav Yitzchak son of Rav Mesharshiya); an agent sent by marks may not find the man, by recognition he knows him on sight (Rav Ashi).
• New mishna: one who removes the gid must take all of it; Rabbi Yehuda — enough to fulfill the mitzva of removal. A kezayit — forty lashes; a whole nerve under a kezayit — liable; a kezayit from each leg — eighty; Rabbi Yehuda — forty.
• Bar Peyoli, deveining per Rabbi Yehuda’s method, is told “go down further — you would have fed me issur!”; when his knife falls, Shmuel reassures: whoever taught you, taught you like Rabbi Yehuda.
• Rav Sheshet’s first account collapses; the corrected account: bar Peyoli removed the Torah-level portion, and what he left is rabbinic per Rabbi Meir and permitted per Rabbi Yehuda.
• Shmuel: the Torah forbade only what is upon the kaf — “al kaf hayarech.” Rav Pappa: this is ketannaei; the Rabbis hold the nerve is a beriya, a complete entity.

Amud Bet Highlights

• Verse economy: Rabbi Yehuda — “eating” is written, so a kezayit is required; the Rabbis — “eating” teaches a kezayit of a large nerve suffices; Rabbi Yehuda derives that from “asher al kaf hayarech.”
• The Rabbis assign the kaf-phrase to Shmuel’s boundary; Rabbi Yehuda reads “hayarech” as the whole thigh’s nerve; the Rabbis: it selects the inner nerve to exclude the outer — and the bird-exclusion stands because “kaf” is written twice.
• New mishna: a thigh cooked with its gid is forbidden if the nerve imparts flavor, measured as meat in turnip; a gid among sinews (or a piece of neveila or non-kosher fish among pieces) — identified, flavor governs; unidentified, all forbidden, the broth by flavor.
• Shmuel: this was taught only of cooking; roasted, one peels and eats until reaching the gid. Rav Huna’s challenge — a kid roasted with its chelev is forbidden even from the ear-tip — ends the daf mid-argument.

Key Disputes

Conclusions

The identification sugya resolves: tevi’ut ayin outranks simanim. Rav Sheshet’s corrected reading of the bar Peyoli incident stands, and Shmuel’s kaf-boundary emerges as the Rabbis’ own reading of the verse, every word accounted for down to the doubled “kaf.” Open: the clash between Shmuel’s peel-and-eat leniency and Rav Huna’s stringency, carried into 97a.

Key Figures

Tannaim: Rabbi Yehuda, Rabbi Meir, the first tanna (Rabbis) Amoraim: Rava, Rav Yitzchak son of Rav Mesharshiya, Rav Ashi, Shmuel, Rav Sheshet, Rav Pappa, Rav Huna

One-Line Takeaway

The trained eye outranks any checklist of marks, and the Torah’s gid prohibition sits precisely upon the kaf — with wholeness, the olive-bulk, and imparted flavor defining liability beyond it.

🎯 ELI5 (Explain Like I’m 5)

The Big Picture 🖼️

Today the daf crowns a winner in the great identification showdown: knowing something by sight beats describing it by a list of marks. Then we get two brand-new mishnas about the gid hanasheh (the sciatic nerve — the thigh nerve we don’t eat, from the story of Yaakov wrestling the angel): how to remove it, how much eating it costs you, and what happens when it gets cooked into your dinner.

Recognition Beats the Checklist 🔍

Remember yesterday’s puzzle? Rava was deciding which is stronger: a siman (a distinguishing mark, like “it has a scratch on the left side”) or tevi’ut ayin (“I just KNOW it when I see it” — the trained eye’s recognition).

Rava’s first guess was marks — lost-and-found runs on marks! But the meat and techelet (sky-blue wool) cases flipped him. Recognition wins.

And the proofs are amazing. Proof one: a blind husband recognizes his wife by her VOICE — and every husband recognizes his wife in the dark. If recognition weren’t rock-solid, family life itself couldn’t work! 🤔

Proof two: the murder court. Witnesses who say “the killer had this mark and that mark” convict NOBODY. But witnesses who say “we recognize him”? That’s real testimony. ✅

Proof three: send a messenger to find “the guy with the beard and the red coat” — maybe he finds him, maybe not. Send someone who KNOWS the guy — the second he sees him, done.

Think of it like… a photofit sketch versus your own mom. A police sketch lists features: brown hair, glasses, round face — and could match a hundred people. But you’d spot your mom across a crowded airport in half a second. That’s the difference between description and recognition.

But wait — why does lost-and-found use marks then? Because the court can’t test a stranger’s “I recognize it!” Anyone could say that. Marks are checkable. A proven Torah scholar, though? His recognition IS accepted.

The Simple Idea 💡: Truly knowing something on sight is stronger than any checklist of features — the checklist only wins when we can’t trust the claimer.

The New Mishna: Removing and Eating the Nerve 🍖

A new mishna! When a butcher removes the gid hanasheh, how thorough must he be? The first opinion: remove ALL of it — dig and scrape after every hidden bit. Rabbi Yehuda: just enough to fulfill the removal-mitzva, no deep excavation needed.

And what if someone EATS it? An olive-bulk (a kezayit — the standard “you really ate something” amount) = 40 lashes. But here’s the twist: eat a WHOLE nerve that’s smaller than an olive? Still liable! 😮

Why? Because it’s a beriya — a complete entity. A whole thing counts as a whole thing, no matter how tiny. Same reason eating one whole tiny forbidden bug is a big deal even though it’s minuscule.

Think of it like… breaking a rule versus breaking a THING. Eat crumbs of forbidden food and we measure: was it enough crumbs? But swallow a complete forbidden item — a whole one — and there’s nothing to measure. You ate the entire thing!

One more: eat an olive-bulk from EACH leg’s nerve = 80 lashes (two nerves, two crimes). Rabbi Yehuda says just 40 — he holds only ONE leg’s nerve is forbidden by the Torah.

The Simple Idea 💡: Amounts matter for pieces, but a complete forbidden thing counts at ANY size.

Shmuel and the Trembling Butcher 📜

Now a beautiful story. A professional nerve-remover (bar Peyoli) was trimming a thigh right in front of the great sage Shmuel — using the shallow, quick method.

Shmuel: “Dig deeper! If I hadn’t been watching, you’d have fed me forbidden meat!”

The poor man was so terrified that his knife fell right out of his shaking hand. 😨

And then Shmuel did something wonderful. He said gently: “Don’t be afraid. Whoever taught you, taught you Rabbi Yehuda’s method — a real, legitimate opinion. I just don’t rule that way.”

Think of it like… a teacher marking your answer wrong, then adding: “You’re not careless — your old school just taught a different method. Here’s how we do it in this class.” The correction lands, but the person stays whole.

The Gemara then does the technical math: what bar Peyoli removed was the Torah-level part of the nerve. What he left was only rabbinic-level (per Rabbi Meir) — and totally fine per Rabbi Yehuda. He wasn’t sloppy; he followed a real school of thought.

The Simple Idea 💡: You can correct a practice firmly without crushing the person — Shmuel fixed the meat AND rescued the man’s dignity.

Where Exactly Is the Torah’s Nerve? 🧩

Okay, so the nerve runs the whole length of the thigh. Is ALL of it Torah-forbidden?

Shmuel says no: only the part sitting on the kaf — the rounded “spoon” of flesh at the hip (the verse says “the gid hanasheh that is upon the KAF of the thigh”). The rest of the nerve? Forbidden only rabbinically.

Then the Gemara does something gorgeous: it gives every single word in the verse a job. “Eating” → the olive-bulk rules. “Kaf” → appears TWICE, so one teaches Shmuel’s boundary and the other excludes birds (a bird’s thigh has no rounded “spoon,” so birds have no gid prohibition at all!). “The thigh” → selects the inner nerve that spreads through the whole thigh, excluding the outer nerve.

Think of it like… a perfectly packed suitcase where nothing is wasted space. Every word in the Torah’s verse carries exactly one teaching — no leftovers, no gaps.

The Simple Idea 💡: The Sages read the verse like engineers: every word does a job, and the map of the forbidden nerve comes straight from the words.

The Taste Test: When the Nerve Gets Cooked In 🍲

Second new mishna — and it introduces the master rule of all kosher mixtures: notein ta’am, “imparting taste.”

A thigh cooked with its nerve still inside: if the nerve is big enough to give TASTE to the thigh, the whole thigh is forbidden. Taste spreads, so the prohibition spreads.

But wait — a nerve barely has any taste! How do you measure it? The mishna’s clever trick: pretend it’s MEAT flavoring a TURNIP of that size. If that much meat would flavor that much turnip, the thigh is forbidden.

Think of it like… a tea bag in a mug. 🫖 One tea bag in a cup? You taste it everywhere — the whole cup is “tea.” One tea bag in a swimming pool? Nothing. The question is never “is something forbidden in there?” — it’s “can you TASTE it?”

And what if the nerve got cooked with a pile of look-alike sinews? If you can pick it out — remove it, and taste governs the rest. If you CAN’T tell which is which — every sinew is a suspect, so ALL are forbidden! ❌ (The broth still goes by taste.) Same rule for a piece of non-kosher meat or fish lost among kosher pieces.

The Simple Idea 💡: Taste is the master key of kosher mixtures — and when you can’t identify the forbidden piece, every candidate is treated as guilty.

Soup vs. Grill: The Cliffhanger 🔥

One last twist. Shmuel says the taste-spreads-everywhere rule is for COOKING — liquid carries flavor through the whole pot, like soup. But a ROASTED thigh with the nerve inside? Just peel and eat, layer by layer like an onion, until you reach the nerve — then toss it. Roasting keeps flavor local!

But wait! 🤔 Rav Huna said a kid goat roasted with its forbidden fat is forbidden even from the TIP OF ITS EAR. So roasting DOES spread flavor everywhere?

The daf ends mid-challenge. The answer waits for tomorrow (hint: rich, oily fat seeps everywhere; a lean, dry nerve stays put).

Think of it like… grilling versus stewing. Drop a garlic clove in a stew and the whole pot tastes garlicky. Put it next to your steak on the grill and only the touching spot picks it up. Liquid spreads flavor; dry heat mostly doesn’t — unless the thing itself is dripping with fat!

The Simple Idea 💡: How you cook changes how far a forbidden taste travels — pot spreads, grill stays local (mostly!).

The Super Simple Summary 🎯

• The identification showdown ends: RECOGNITION beats description — a blind man knows his wife’s voice, and courts convict on “we know him” but never on a list of features.
• Removing the gid hanasheh: the first tanna says dig out every bit; Rabbi Yehuda says the main removal is enough.
• Eating an olive-bulk of the nerve = 40 lashes; a WHOLE tiny nerve still counts (a beriya — a complete entity needs no minimum size); both legs’ nerves = 80.
• Shmuel corrected the butcher’s shallow method but comforted him: “Your teacher followed Rabbi Yehuda — I just rule differently.” Firm on the law, gentle on the person.
• The Torah’s nerve is mapped from the verse itself: only the part on the “spoon” of the hip, only the inner nerve — and no gid prohibition for birds.
• New master rule: TASTE decides mixtures. If the nerve flavors the thigh (measured like meat in a turnip!), it’s forbidden; can’t identify the forbidden piece? All are forbidden. Cooking spreads taste — roasting maybe doesn’t… cliffhanger!

⚖️ Halacha

A Note on Tevi’ut Ayin (Recognition)

Source in Daf: 96a, Segments 1-4

The daf opens by completing Rava’s ruling from 95b: simanim (identifying marks) operate — whether by Torah law or rabbinic law — and tevi’ut ayin (visual recognition) is superior to a siman, for capital testimony runs on recognizing the person, and a blind man lives with his wife by voice recognition. The practical codification of tevi’ut ayin is in the laws of returning lost objects — a lost item is returned to a Torah scholar on his claim of recognition — in Shulchan Aruch, Choshen Mishpat 262:21, quoted in full on the daf 95 page; see there. The remainder of this daf’s halachic yield flows from its two mishnayot, treated below.

Removing the Gid — The Full-Removal Standard

Source in Daf: 96a, Segment 5 (the mishna) and Segments 7-10 (the bar Peyoli incident)

The mishna records the dispute: the first tanna requires removing all of the nerve — digging (chatita) after its embedded traces — while Rabbi Yehuda requires only enough to fulfill the mitzva of removal. Shmuel enforced the full standard on bar Peyoli (“go down further into it — you would have fed me issur!”), and the codes rule accordingly.

Rambam — Hilkhot Ma’achalot Assurot 8:7

Hebrew:

הַנּוֹטֵל גִּיד הַנָּשֶׁה צָרִיךְ לְחַטֵּט אַחֲרָיו עַד שֶׁלֹּא יַשְׁאִיר מִמֶּנּוּ כְּלוּם. וְנֶאֱמָן הַטַּבָּח עַל גִּיד הַנָּשֶׁה כְּשֵׁם שֶׁנֶּאֱמָן עַל הַחֵלֶב. וְאֵין לוֹקְחִין בָּשָׂר מִכָּל טַבָּח אֶלָּא אִם הָיָה אָדָם כָּשֵׁר וּמֻחְזָק בְּכַשְׁרוּת הוּא שֶׁשּׁוֹחֵט לְעַצְמוֹ וּמוֹכֵר וְנֶאֱמָן:

English (our translation from the Hebrew):

One who removes the gid hanasheh must dig after it until he leaves nothing of it behind. And the butcher is trusted regarding the gid hanasheh just as he is trusted regarding forbidden fat. And one may not buy meat from any butcher unless he is an upright man established as trustworthy — such a one may slaughter for himself and sell, and he is trusted.

Connection: The Rambam’s לְחַטֵּט אַחֲרָיו — to dig after it until nothing remains — is the first tanna’s standard as Shmuel enforced it against bar Peyoli’s minimal, Rabbi-Yehuda-style excision. Note also how the Rambam pairs the removal standard with the butcher’s trustworthiness: the bar Peyoli incident is precisely a scene of a deveiner’s reliability being audited at the posek’s table.

Shulchan Aruch — Yoreh De’ah 65:8

Hebrew:

שני גידים הם בירך אחד פנימי סמוך לעצם והשני חיצון סמוך לבשר ושניהם אסורים וצריך לחטט אחריהם אלא שהפנימי אסור מן התורה והוא הפושט בכל הירך והחיצון אסור מדבריהם וקנוקנות שבשניהם אסורים מדבריהם וצריך לחטט אחריהם ושומנם ישראל קדושים הם ונהגו בו איסור: הגה וראשי הקנוקנות נכנסים בראשי העצמות על כן המנקר צריך לשבור ראשי העצמות כדי להסיר הקנוקנות מעיקרן (ב”י בשם הגהות אשיר”י) ואין ללמוד סדר הניקור רק במראית העין מן המומחה הבקי בניקורו (ד”ע):

English (our translation from the Hebrew):

There are two nerves in the thigh: one inner, adjacent to the bone, and the second outer, adjacent to the flesh. Both are forbidden, and one must dig after them — though the inner one is forbidden by the Torah, and it is the one that spreads through the whole thigh, while the outer is forbidden by the words of the Sages. And the branching threads (kenokanot) in both are forbidden by the words of the Sages, and one must dig after them; and as for their fat — Israel are holy, and they have treated it as forbidden. Rema: And the tips of the branching threads enter the ends of the bones; therefore the deveiner must break the ends of the bones in order to remove the branching threads from their root. And the order of nikkur may be learned only by direct observation from an expert proficient in it.

Connection: This se’if (quoted on the daf 92-93 pages for the two-nerves anatomy) is equally the codification of our mishna’s pesak: וצריך לחטט אחריהם — the full-removal standard of the first tanna, against Rabbi Yehuda’s leniency. The Rema’s closing line — that nikkur is learned only by watching an expert — reads like a distillation of the bar Peyoli story: bar Peyoli’s craft was exactly what his teacher had shown him, and Shmuel’s correction was itself transmitted by watching (הַשְׁתָּא לָא חֲזֵיתָךְ — “had I not seen you now”).

The Eating Measures — The Kaf Boundary, the Beriya, and Both Legs

Source in Daf: 96a, Segments 6 (the mishna), 11 (Shmuel’s kaf boundary), 12-13 (the beriya reasoning); 96b, Segments 1-5 (the derivations)

Three rulings emerge: (1) Shmuel’s boundary — the Torah forbade only what is upon the kaf, the rest being rabbinic (which the Gemara assigns to the Rabbis’ reading of “asher al kaf hayarech”); (2) the beriya rule — a whole nerve under a kezayit still generates liability; (3) the first tanna’s ruling of eighty lashes for both legs’ nerves, against Rabbi Yehuda’s forty. The Rambam rules like Shmuel, like the Rabbis (beriya), and like the first tanna (both legs).

Rambam — Hilkhot Ma’achalot Assurot 8:1

Hebrew:

גִּיד הַנָּשֶׁה נוֹהֵג בִּבְהֵמָה וְחַיָּה הַטְּהוֹרִין וַאֲפִלּוּ בִּנְבֵלוֹת וּטְרֵפוֹת שֶׁלָּהֶן. וְנוֹהֵג בְּשָׁלִיל וּבְמֻקְדָּשִׁין בֵּין קָדָשִׁים הַנֶּאֱכָלִים בֵּין קָדָשִׁים שֶׁאֵינָן נֶאֱכָלִין. וְנוֹהֵג בְּיָרֵךְ שֶׁל יָמִין וּבְיָרֵךְ שֶׁל שְׂמֹאל. וְאֵין אָסוּר מִן הַתּוֹרָה אֶלָּא שֶׁעַל כַּף הַיָּרֵךְ בִּלְבַד שֶׁנֶּאֱמַר “אֲשֶׁר עַל כַּף הַיָּרֵךְ”. אֲבָל שְׁאָר הַגִּיד שֶׁלְּמַעְלָה מִן הַכַּף וְשֶׁלְּמַטָּה עַד סוֹפוֹ וְכֵן חֵלֶב שֶׁעַל הַגִּיד אֵינוֹ אָסוּר אֶלָּא מִדִּבְרֵי סוֹפְרִים. וּשְׁנֵי גִּידִין הֵן. הַפְּנִימִי הַסָּמוּךְ לָעֶצֶם אָסוּר מִן הַתּוֹרָה. וְהָעֶלְיוֹן כֻּלּוֹ אָסוּר מִדִּבְרֵיהֶם:

English (our translation from the Hebrew):

The gid hanasheh applies to kosher domesticated and wild animals, and even to their neveilot and tereifot. It applies to a fetus and to consecrated animals — whether offerings that are eaten or offerings that are not eaten. And it applies to the thigh of the right and to the thigh of the left. And nothing is forbidden by the Torah except that which is upon the kaf of the thigh alone, as it is stated, “which is upon the kaf of the thigh.” But the rest of the nerve — above the kaf, and below it to its end — and likewise the fat upon the nerve, is forbidden only by the words of the Scribes. And there are two nerves: the inner one, adjacent to the bone, is forbidden by the Torah; and the upper one is entirely forbidden by their words.

Connection: The clause וְאֵין אָסוּר מִן הַתּוֹרָה אֶלָּא שֶׁעַל כַּף הַיָּרֵךְ בִּלְבַד is Shmuel’s statement on 96a (Segment 11) verbatim, complete with his prooftext. The Rambam thus rules like the Rabbis of the baraita, to whom the Gemara (96b, Segment 3) assigned Shmuel’s boundary — and against Rabbi Yehuda’s reading that the whole thigh’s nerve is Torah-forbidden. “The right thigh and the left thigh” rejects Rabbi Yehuda’s one-leg view, setting up the eighty lashes below.

Rambam — Hilkhot Ma’achalot Assurot 8:2

Hebrew:

הָאוֹכֵל מִגִּיד הַנָּשֶׁה הַפְּנִימִי מִמָּקוֹם שֶׁעַל הַכַּף לוֹקֶה. וְאִם אָכַל מֵחֶלְבּוֹ אוֹ מִשְּׁאָר הַגִּיד הַפְּנִימִי אוֹ מִכָּל הַחִיצוֹן מַכִּין אוֹתוֹ מַכַּת מַרְדּוּת. וְכַמָּה שִׁעוּר אֲכִילָה. כְּזַיִת. וְאִם אָכַל הַגִּיד שֶׁעַל הַכַּף כֻּלּוֹ אַף עַל פִּי שֶׁאֵין בּוֹ כְּזַיִת לוֹקֶה מִפְּנֵי שֶׁהוּא כִּבְרִיָּה בִּפְנֵי עַצְמָהּ:

English (our translation from the Hebrew):

One who eats of the inner gid hanasheh, from the place that is upon the kaf, receives lashes. And if he ate of its fat, or of the rest of the inner nerve, or of any of the outer one, he is given makkat mardut (lashes for rebellious conduct, for a rabbinic violation). And how much is the measure of eating? A kezayit. And if he ate the entire nerve that is upon the kaf — even though it does not contain a kezayit — he receives lashes, because it is like a complete entity (beriya) in its own right.

Connection: This halacha is our mishna’s second half (96a, Segment 6) filtered through Shmuel’s boundary: Torah-level lashes only for the kaf-portion; the rest of the nerve draws makkat mardut. The closing clause codifies the Rabbis’ beriya reasoning (96a, Segment 13): wholeness is its own measure, so a complete nerve under a kezayit is a significant act of eating — against Rabbi Yehuda of the baraita (96a, Segment 12), who required a kezayit in all cases.

Rambam — Hilkhot Ma’achalot Assurot 8:3

Hebrew:

אָכַל כְּזַיִת מִגִּיד שֶׁל יָמִין וּכְזַיִת מִגִּיד שֶׁל שְׂמֹאל. אוֹ שֶׁאָכַל שְׁנֵי גִּידִים כֻּלָּן. אַף עַל פִּי שֶׁאֵין בָּהֶן כְּזַיִת לוֹקֶה שְׁמוֹנִים. (וְכֵן הוּא לוֹקֶה עַל כָּל גִּיד וְגִיד):

English (our translation from the Hebrew):

If he ate a kezayit of the nerve of the right and a kezayit of the nerve of the left, or he ate two entire nerves — even though they do not contain a kezayit — he receives eighty lashes. (And likewise he receives lashes for each and every nerve.)

Connection: The pesak follows the first tanna of our mishna — sofeg shemonim — against Rabbi Yehuda’s forty. Note the elegant combination: the Rambam applies the beriya rule to the eighty-lashes case as well, so that two whole undersized nerves also generate two sets of lashes. (In 8:4 the Rambam also codifies the bird-exclusion — a fowl has no rounded kaf — the very derivation our Gemara accounts for from the doubled “kaf” on 96b, Segment 5.)

Note: No Shulchan Aruch parallel exists for the lashes-measures themselves, since malkot are not administered today; the Tur and Shulchan Aruch carry forward the practical residue of Shmuel’s boundary in the laws of nikkur (YD 65:8 above) and mixtures (YD 100, below — see the Rema there, who invokes the kaf-boundary to define when the gid counts as a whole beriya).

The Gid in Mixtures — The Beriya Principle

Source in Daf: 96b, Segments 6-7 (the mishna); the reasoning of 96a, Segment 13

The mishna rules: a gid cooked among other sinews — identified, one removes it and flavor governs the rest; unidentified, all are forbidden. The codes ground the “all are forbidden” clause in the beriya principle our daf articulated: a complete entity is significant and is never nullified.

Rambam — Hilkhot Ma’achalot Assurot 16:6

Hebrew (the clause concerning the gid):

…וְכֵן גִּיד הַנָּשֶׁה שֶׁנִּתְבַּשֵּׁל עִם הַגִּידִין אוֹ עִם הַבָּשָׂר בִּזְמַן שֶׁמַּכִּירוֹ מַגְבִּיהוֹ וְהַשְּׁאָר מֻתָּר שֶׁאֵין בַּגִּידִים בְּנוֹתֵן טַעַם. וְאִם אֵינוֹ מַכִּירוֹ הַכּל אָסוּר מִפְּנֵי שֶׁהוּא בְּרִיָּה בִּפְנֵי עַצְמוֹ הֲרֵי הוּא חָשׁוּב וְאוֹסֵר בְּכָל שֶׁהוּא:

English (our translation from the Hebrew):

…And likewise the gid hanasheh that was cooked with the sinews or with the meat: when he recognizes it, he removes it and the rest is permitted, for sinews do not impart flavor. And if he does not recognize it, everything is forbidden, because it is a complete entity (beriya) in its own right — it is significant, and it forbids in any amount.

Connection: This is our mishna (96b, Segment 7) codified, with both of the daf’s reasonings fused: identifiability splits the law, and the unidentified case forbids everything because the gid is a beriya — the very concept the Gemara deployed on 96a, Segment 13 to explain liability for an undersized whole nerve. Note one divergence from the mishna’s plain reading: where our mishna applies a flavor test to the remaining sinews, the Rambam rules that “sinews do not impart flavor” — following the Gemara’s conclusion later in this perek — so once the gid is removed, the rest is simply permitted (see the next topic).

Shulchan Aruch — Yoreh De’ah 100:1

Hebrew:

בריה דהיינו כגון נמלה או עוף טמא וגיד הנשה ואבר מן החי וביצה שיש בה אפרוח וכיוצא בהם אפי’ באלף לא בטלה ואין לו דין בריה אא”כ הוא דבר שהיה בו חיות לאפוקי חטה אחת של איסור וכן צריך שיהא דבר שאסור מתחילת ברייתו לאפוקי עוף טהור שנתנבל ושור הנסקל וכן צריך שיהיה דבר שלם שאם יחלק אין שמו עליו לאפוקי חלב וכן צריך שיהא שלם: הגה ועיקר גיד הנשה אינו אלא על הכף בלבד והוא כרוחב ד’ אצבעות ואם הוא שלם מקרי בריה (בארוך כלל כ”ח):

English (our translation from the Hebrew):

A beriya — that is, for example, an ant, or a non-kosher bird, or the gid hanasheh, or a limb from a living animal, or an egg containing a chick, and the like — is not nullified even in a thousand. And a thing has the status of beriya only if it is something that possessed life (excluding a single grain of forbidden wheat); and likewise it must be a thing forbidden from the beginning of its formation (excluding a kosher bird that became a neveila, or an ox condemned to stoning); and likewise it must be a whole thing whose name would not remain upon it were it divided (excluding forbidden fat); and likewise it must be whole. Rema: And the essential gid hanasheh is only that which is upon the kaf alone, which is about four fingerbreadths wide; and if that is whole, it is called a beriya.

Connection: The gid hanasheh appears by name in the Shulchan Aruch’s canonical list of beriyot — the direct descendant of our daf’s בְּרִיָּה בִּפְנֵי עַצְמָהּ הִיא. And the Rema’s gloss weaves in Shmuel’s other teaching from this very daf: since the Torah’s gid is only what lies upon the kaf, it is the kaf-portion’s wholeness that confers beriya status. The two halves of our daf — the kaf boundary and the beriya principle — meet in a single gloss.

The Flavor Test — Notein Ta’am

Source in Daf: 96b, Segment 6 (the thigh cooked with its gid, measured “as meat in turnip”) and Segments 7-8 (the broth by flavor)

Our mishna makes imparted flavor (notein ta’am) the criterion for forbidding a mixture — the founding text for the entire structure of ta’arovot in Yoreh De’ah. Two developments intervene between the mishna and the pesak: the Gemara later in this perek concludes that the gid itself, unlike its fat, imparts no flavor (“it is merely wood”); and the sixty-measure replaces case-by-case tasting for forbidden mixtures.

Shulchan Aruch — Yoreh De’ah 98:1

Hebrew:

איסור שנתערב בהיתר מין בשאינו מינו כגון חלב שנתערב בבשר יטעמנו עובד כוכבים אם אומר שאין בו טעם חלב או שאומר שיש בו טעם אלא שהוא פגום מותר והוא שלא יהא סופו להשביח וצריך שלא ידע שסומכין עליו ואם אין שם עובד כוכבים לטועמו משערינן בס’ וכן אם הוא מין במינו כיון דליכא למיקם אטעמא משערים בס’ (ואין נוהגים עכשיו לסמוך אעובד כוכבים ומשערינן הכל בס’):

English (our translation from the Hebrew):

A forbidden food that became mixed with permitted food of a different kind — for example, forbidden fat that became mixed with meat — a gentile should taste it: if he says it has no taste of the forbidden fat, or says it has a taste but the taste is impaired, it is permitted, provided it will not eventually improve, and provided he does not know that we rely upon him. And if there is no gentile there to taste it, we assess by sixty. And likewise if it is a mixture of a kind with its own kind, since the taste cannot be discerned, we assess by sixty. (Rema: And nowadays the custom is not to rely on a gentile, and we assess everything by sixty.)

Connection: The mishna’s בְּנוֹתֵן טַעַם — the whole thigh forbidden if the nerve imparts flavor, measured “as meat in turnip” — is the source-principle here: a forbidden ingredient forbids its mixture through its taste, and where taste cannot be directly assessed, a standardized measure (sixty) stands in, just as the mishna itself standardized the gid’s faint flavor against the benchmark of meat in turnip. The mishna’s broth-by-flavor clauses (Segments 7-8) live on in the same framework.

Shulchan Aruch — Yoreh De’ah 65:9 and 100:2

Hebrew (65:9):

גופו של גיד אינו אלא כעץ שאין בו טעם ואף עפ”כ אסרתו תורה לפיכך אינו אוסר תערובתו בפליטתו והקנוקנות והשומן יש בהם טעם לפיכך אוסרין תערובתן בפליטתן:

English (our translation from the Hebrew):

The body of the gid is merely like wood, which has no taste — and even so, the Torah forbade it. Therefore it does not forbid its mixture through what it exudes. But the branching threads and the fat do have taste; therefore they forbid their mixture through what they exude.

Hebrew (100:2):

דבר שהוא בריה שנתבשל עם ההיתר אם אינו מכירו הכל אסור והרוטב בנותן טעם ואם מכירו זורקו והאחרים והרוטב צריך שיהא בהם ס’ כנגדו חוץ מגיד הנשה שאין טעמו אוסר דאין בגידים בנותן טעם אבל שמנו אוסר וצריך ששים כנגדו להתיר הרוטב לפיכך ירך שנתבשל עם גידו אם מכירו זורקו וכל השאר מותר אם יש בו ס’ כנגד שמנו ואם אינו מכירו כל החתיכות אסורות ואם יש בקדירה ס’ כנגד השומן מותר הרוטב ואם לאו אסור ואם נמוח הגיד ואינו ניכר צריך גם כן ס’ כנגדו:

English (our translation from the Hebrew):

A thing that is a beriya that was cooked with permitted food: if he does not recognize it, everything is forbidden, and the broth is forbidden if it imparts flavor. And if he recognizes it, he throws it away, and the other pieces and the broth require sixty against it — except for the gid hanasheh, whose taste does not forbid, for sinews do not impart flavor; but its fat forbids, and sixty against it is required to permit the broth. Therefore, a thigh that was cooked with its gid: if he recognizes it, he throws it away, and all the rest is permitted if there is sixty against its fat. And if he does not recognize it, all the pieces are forbidden; and if there is in the pot sixty against the fat, the broth is permitted, and if not, it is forbidden. And if the gid dissolved and is not recognizable, sixty against it is likewise required.

Connection: Here is our mishna’s opening case — יָרֵךְ שֶׁנִּתְבַּשֵּׁל בָּהּ גִּיד הַנָּשֶׁה — in its final halachic form. The mishna’s architecture survives intact: identification, removal, all-forbidden when unidentifiable, broth by flavor. But the flavor test migrates from the gid itself to its fat (shuman), because the halacha follows the Gemara’s later conclusion that “there is no imparting of flavor in sinews” — the gid is wood. The mishna’s flavor clause is thus read, in pesak, as concerning the gid’s fat and threads, which do impart taste.

The Piece of Neveila — Chatikha HaReuya LeHitkabed

Source in Daf: 96b, Segment 8

The mishna’s final clause — a piece of neveila or of non-kosher fish among kosher pieces: unidentified, all are forbidden — becomes the halachic category of the “piece fit to be served with honor,” which, like a beriya, is never nullified.

Rambam — Hilkhot Ma’achalot Assurot 16:5

Hebrew:

וְכֵן חֲתִיכָה שֶׁל נְבֵלָה אוֹ שֶׁל בְּשַׂר בְּהֵמָה אוֹ חַיָּה אוֹ עוֹף אוֹ דָּג הַטְּמֵאִין שֶׁנִּתְעָרְבָה בְּכַמָּה אֲלָפִים חֲתִיכוֹת הַכּל אָסוּר עַד שֶׁיַּגְבִּיהַּ אוֹתָהּ חֲתִיכָה. וְאַחַר כָּךְ יְשַׁעֵר הַשְּׁאָר בְּשִׁשִּׁים. שֶׁאִם לֹא הִגְבִּיהָהּ הֲרֵי הַדָּבָר הָאָסוּר עוֹמֵד וְלֹא נִשְׁתַּנָּה וְהַחֲתִיכָה חֲשׁוּבָה אֶצְלוֹ שֶׁהֲרֵי מִתְכַּבֵּד בָּהּ לִפְנֵי הָאוֹרְחִין:

English (our translation from the Hebrew):

And likewise a piece of neveila, or of the flesh of a non-kosher domesticated animal, wild animal, bird, or fish, that became mixed with several thousand pieces — everything is forbidden until he removes that piece; and afterward he assesses the rest by sixty. For if he did not remove it, the forbidden thing stands present and unchanged, and a piece is significant to him, for one honors guests with it.

Connection: The Rambam’s two-stage rule — remove the piece, then assess the rest by sixty — is our mishna’s Segment 8 exactly: identified and removed, flavor governs the rest; unidentified, all forbidden. The Rambam supplies the reason the mishna left implicit: a piece of meat is a significant item (davar chashuv), fit to set before guests, and significance defeats nullification.

Shulchan Aruch — Yoreh De’ah 101:1

Hebrew:

חתיכה הראויה להתכבד דינה כבריה דאפילו באלף לא בטלה ואפי’ אם היא אסורה בהנאה כיון שאם תתבטל היתה מותרת וראויה להתכבד: הגה ואפילו אינה אסורה רק מדרבנן אינה בטילה (ב”י בשם הרמב”ן) ואם הוא ספק אם היא ראויה להתכבד או לא אזלינן לקולא (ארוך כלל כ”ה) אפילו היא אסורה מדאורייתא:

English (our translation from the Hebrew):

A piece fit to be served with honor (chatikha ha’reuya lehitkabed) has the law of a beriya, in that even in a thousand it is not nullified — and even if it is forbidden for benefit, since were it to be nullified it would become permitted and be fit to serve with honor. Rema: And even if it is forbidden only rabbinically, it is not nullified. And if there is a doubt whether it is fit to be served with honor or not, we rule leniently — even if it is forbidden by Torah law.

Connection: The Shulchan Aruch makes the family relationship explicit — דינה כבריה, “its law is like that of a beriya.” Both categories are born on our daf: the beriya from the Rabbis’ reasoning about the undersized whole nerve (96a, Segment 13), and the significant piece from the mishna’s neveila clause (96b, Segment 8). Significance — whether of wholeness or of presentability — is the common principle that overrides nullification by majority.

Cooking versus Roasting — Shmuel’s Peel-and-Eat

Source in Daf: 96b, Segments 9-10 (resolved on 97a)

Shmuel limited the mishna’s flavor-spread rule to cooking: if the thigh was roasted with its nerve, one peels and eats until reaching the gid. The daf ends with Rav Huna’s challenge — a kid roasted in its forbidden fat is forbidden even from the tip of its ear — and the reconciliation arrives on 97a: rich, penetrating chelev spreads through the whole animal; the lean gid does not. The Shulchan Aruch codifies exactly this resolution, though with a stricter measure than Shmuel’s bare peeling. (The Rambam does not record a special roasting rule for the gid — consistent with his view that the gid imparts no flavor at all.)

Shulchan Aruch — Yoreh De’ah 105:4 (the relevant portion)

Hebrew:

במה דברים אמורים כשנפל לתוך התבשיל מפני שהרוטב מוליך פליטת האיסור ומערבו בכל התבשיל אבל איסור בין חם בין קר שנפל על הצלי שאצל האש אינו אוסר אלא כדי נטילה שהוא כעובי רוחב אצבע לפיכך ירך שצלאו בגידו או חתיכת איסור שצלאה עם חתיכת היתר ונוגע זה בזה צריך להסיר כדי נטילה סביב הגיד וכן מן החתיכה מקום שנגעה בחתיכת איסור…

English (our translation from the Hebrew):

To what does this apply? When [the forbidden item] fell into a cooked dish, because the broth carries the emission of the forbidden food and mixes it through the whole dish. But a forbidden item — whether hot or cold — that fell upon roasting meat by the fire forbids only kedei netila, which is about the thickness of a fingerbreadth. Therefore, a thigh that was roasted with its gid, or a forbidden piece roasted together with a permitted piece touching it — one must remove kedei netila around the gid, and likewise from the piece, at the place where it touched the forbidden piece…

Connection: ירך שצלאו בגידו is Shmuel’s case codified: cooking spreads taste through the pot; roasting confines it locally. The pesak, however, requires removing a full fingerbreadth’s thickness (kedei netila) around the gid — a stricter measure than Shmuel’s plain “peel and eat” (kolef), reflecting how the codes settled the sugya’s continuation.

Shulchan Aruch — Yoreh De’ah 105:5 (the relevant portion, with Rema)

Hebrew:

במה דברים אמורים שאין הצלי אוסר אלא כדי נטילה בירך עם גידו וכיוצא בו דבר כחוש שאין בו כח לפעפע בכל החתיכה אבל גדי שמן שצלאו בחלבו אם אין בכל הגדי ששים כנגד כל החלב שבו אסור לאכול אפילו מראש אזנו שכיון שהוא שמן מפעפע בכולו אבל אם הוא כחוש אף על פי שאין בו ס’ כנגד כל החלב שבו אינו אוסר אלא כדי נטילה… הגה …וי”א דאין אנו בקיאין איזה מיקרי כחוש או שמן ויש לאסור בכל ענין עד דאיכא ס’… ואפילו איכא ס’ צריך נטילת מקום (ארוך) והכי נהוג…

English (our translation from the Hebrew):

To what does this apply — that roasting forbids only kedei netila? To a thigh with its gid and the like: a lean thing, which lacks the power to spread through the whole piece. But a fat kid that was roasted in its chelev — if the whole kid does not contain sixty against all the chelev in it, it is forbidden to eat even from the tip of its ear, for since it is fatty, it spreads through all of it. But if it is lean, even though there is not sixty against all its chelev, it forbids only kedei netila… Rema: …And some say that we are not expert in what is called lean or fat, and one should forbid in every case unless there is sixty… and even where there is sixty, removal of the adjacent place (netilat makom) is required — and such is the practice…

Connection: This se’if is 97a’s reconciliation written into law: Rav Huna’s kid roasted in its chelev — forbidden “even from the tip of its ear,” the Gemara’s own phrase — stands alongside Shmuel’s lean gid, which forbids only its immediate surroundings. The Rema’s gloss then shows the later trajectory: since we no longer trust ourselves to judge lean from fat, Ashkenazic practice treats every roasted-issur case with the stringency of Rav Huna’s kid, requiring sixty plus netilat makom. Shmuel’s kitchen distinction endures, but wrapped in layers of caution.

Summary of Rulings

A closing note: Nearly the whole grammar of Yoreh De’ah’s mixture laws — notein ta’am, the sixty-measure, beriya, chatikha ha’reuya lehitkabed, cooking versus roasting — traces back to this daf’s two mishnayot and their Gemara. The thigh in Shmuel’s kitchen became the template for every pot in halachic history.