Learn the גמרא דף כו.”דהא רבה בר אבוה” until the two dots
Clarify
What the picture is of the case of פירא דבי תורא?
Why did רבה בר אבוה only make an Eruv around each street and not for the entire city?
Learn רש”י
Learn תוס’ “דבי תורא
How is the picture of Tosfos of the case of פירא דבי תורא different than Rashi?
Learn ריטב”א who explains Rashi and Tosfos
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