How close must a lechi be to the alleyway wall?
Synopsis
A lechi must be within three tefachim of the alleyway wall; if it is three or more tefachim away it is invalid.
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If an alleyway wall is breached on its side toward its end (near the lechi or beam), and a four-handbreadth post remains at the end — is the alleyway still permitted for carrying?
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Is it permitted to use the space directly beneath the beam (korah) and opposite the lechi of an alleyway for carrying objects?
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If the beam or lechi of an alleyway falls on Shabbat (after the alleyway was already permitted for part of the day), may one continue carrying in the alleyway for the rest of Shabbat?
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Does the Rambam's stringency (restricting carrying in the alleyway when courtyards made an eruv with houses) apply even when the alleyway is set up with a tzurat hapetach (complete doorframe) rather than just a lechi or korah?
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How close does one need to be to a filthy alleyway before one must pause Shema?
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Discussion
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