Eruvin 72b

עירובין ע״ב ע״ב

Learn Eruvin 72b step by step: Aramaic beside English, every question, answer and proof colour-coded.

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Topic

Groups sharing a hall, brothers fed by their father, and which buildings in a courtyard count as a residence for עירוב.

Overview

The amud opens with a ברייתא of רבי יהודה הסבר. It says that בית שמאי and בית הלל agree that groups in a hall divided by partitions reaching the ceiling each need their own עירוב, and they argue only about partitions that stop short of the ceiling. The גמרא uses this ברייתא to refute some earlier views and support others, including the two versions of רב נחמן about a מסיפס. רב rules like רבי יהודה הסבר, and רב נחמן בר יצחק shows that the משנה's 'rooms and upper stories' means partitions reaching the ceiling. Two versions of a ברייתא then disagree about whether the dispute depends on the עירוב being placed elsewhere or coming to the groups. A new משנה teaches that brothers fed by their father but living in their own houses each need their own share, unless the עירוב is placed with them. The גמרא suggests that this proves the place where a person sleeps decides where he lives, and רב rejects that proof. Finally, a ברייתא debates whether storage buildings in a friend's courtyard block carrying, and רבי יהודה says only a real place of residence does. The amud ends as רב begins to define a 'מקום דירה', and his answer continues on the next amud.

Opening lines

The steps (25)

1. ChallengeA ברייתא defines exactly where בית שמאי and בית הלל argue
2. ConclusionThe ברייתא refutes one opinion and supports the other
3. ConclusionThe first version of רב נחמן is refuted
4. ChallengeIs the second version of רב נחמן also refuted?
5. Resolutionרב נחמן answers: the ברייתא chose partitions to show how far בית הלל go
6. ChallengeWhy not set the dispute in a case of a light divider to show how strict בית שמאי are?
7. ResolutionShowing the strength of a lenient view is preferred
8. StatementThe הלכה follows רבי יהודה הסבר
9. ProofThe משנה's wording also supports this ruling
10. QuestionWhat do 'rooms' and 'upper stories' mean? Literal rooms would be obvious
11. ConclusionThey mean areas like rooms: partitions that reach the ceiling
12. Statementבית שמאי's strictness applies only when the עירוב is placed elsewhere
13. QuestionWhose view is the ברייתא of the five who collected their עירוב
14. StatementA second version that flips the limit of the dispute
15. QuestionUnder the second version the ברייתא fits no one
16. Statementמשנה: brothers eating at their father's table but sleeping at home
17. StatementWhen the brothers need separate shares
18. ProofThe place where you sleep seems to make it your home
19. Rejectionרב: the brothers only receive food from their father
20. StatementWhich buildings in a friend's courtyard block carrying
21. Statementרבי יהודה: only a real living space blocks carrying
22. ProofThe case of בן נפחא in אושא
23. ChallengeThe wording 'house of residence' cannot be right
24. ResolutionCorrect the wording to 'place of residence'
25. QuestionWhat counts as a place of residence?