
Eruvin 21: The Infinite Oral Torah
Extending the private domain via the boards around the well, which fundamentally come to include it - and the limitations on this extension. There's a need for access to water - for animals, for people on a pilgrimage to Jerusalem, etc. And on this daf, that measure of specificity comes into play. Also: Those limitations become even clearer in the context of "burganim," watchman's towers, and whether they were allowed outside of the Land of Israel... And whether those well extensions were permitted in an area that did not have yeshivas, to justify their use by those in pursuit of a mitzvah…
The skinny
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