Eruvin 49: The Moral Lesson of Eruv
The traits of Sodom. And other ways that eruvin may or may not take hold, but aren't really in the spirit of eruvin: one who doesn't allow others to eat from the eruv he has set aside. Or one who divides the content of the eruv. Both flout the essence of eruv, which is to bring people together, joining, sharing, into a unity. The Gemara also fleshes out why we need both of these cases. Also: Does the essence of eruv work because of the collective kinyan (formal act of acquisition) or because of residence taking hold? The owners of the house where the eruv is located don't have to contribute…
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