Yevamos 47a

יבמות מ״ז ע״א

Yevamot 47a

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Topic

Proof of conversion, conversion only in a בית דין, a father's believability about his children, and how a בית דין receives a גר

Overview

The עמוד opens in the middle of a ברייתא about someone who says he is a גר. רבי יהודה reads ״בָּאָרֶץ״ to mean that only in ארץ ישראל must he bring proof. The חכמים say proof is needed everywhere. The גמרא works through the ברייתא's readings of the פסוקים, and רבי יוחנן rules like the חכמים. Next, רבי יהודה teaches that a conversion counts only in a בית דין. He tells a man who claimed he converted privately that he is believed about himself but not about his children. The גמרא asks how this fits with רבי יהודה's ״יַכִּיר״ rule, and רב נחמן בר יצחק and רבינא answer in two different ways. The הלכה follows רב נחמן בר יצחק. Finally, a ברייתא describes how a בית דין receives a new גר: it warns him about Jewish suffering, teaches him some מצוות with their punishments and rewards, and the passage continues on the next עמוד.

Opening lines

The steps (27)

1. StatementThe verse covers converts outside the Land too
2. QuestionThen why does the verse say 'in the Land'?
3. Responseרבי יהודה: proof is needed only in the Land
4. StatementThe חכמים: proof is needed everywhere
5. ChallengeIf he has witnesses, why is a verse needed?
6. Resolutionרב ששת: the witnesses only heard about it
7. ChallengeWasn't 'with you' already used?
8. ResolutionTwo different words: 'אִתְּךָ' and 'עִמָּךְ'
9. ChallengeHow can the חכמים ignore 'in the Land'?
10. ResolutionThe word ״בָּאָרֶץ״ teaches that converts are accepted even in the Land
11. Statementרבי יוחנן rules that every convert must bring proof
12. ChallengeIsn't this ruling obvious?
13. ResolutionThe ruling was needed because the פסוקים seem to support רבי יהודה
14. Statementרבי יהודה: a conversion counts only in a בית דין
15. StatementThe man who said he converted privately
16. ChallengeDoes רבי יהודה really say a father is not believed about his children?
17. Resolutionרב נחמן בר יצחק: by your own words you are a גוי
18. Resolutionרבינא: believed about his children, not his grandchildren
19. ProofA ברייתא supports רבינא: believed about a 'small' son, not a 'grown' son
20. Statementרבי יוחנן: 'minor' and 'adult' depend on having children
21. ConclusionThe הלכה follows רב נחמן בר יצחק
22. ChallengeBut the ברייתא supports רבינא
23. ResolutionThat ברייתא is only about the ״יַכִּיר״ rule
24. StatementThe court first warns the convert about Jewish suffering
25. StatementThey teach him some מצוות, including gifts to the poor
26. StatementThey warn him about the punishments for breaking מצוות
27. StatementThey also tell him about the reward for מצוות