If an agent deviates from instructions about the type of food or location of eruv, is the eruv valid?
Synopsis
If the agent deviates from specified instructions, the eruv is invalid. If no specifics were given, any food type or location is valid.
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If the agent places the eruv within 2,000 cubits of the sender's current location (even though the sender's home is also within 2,000 cubits), which Shabbat rest does the sender acquire — the eruv's location or his home?
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