Collection
Each sheet here takes one place where the opening sugya of Masechet Sukkah leaves a gap — an anomaly, an abrupt transition, a ruling that arrives without explanation — and supplies the piece that closes it, on the principle that each part of a sugya determines what the next is talking about. Together they make one argument: that the Rabbanan hold a sukkah is a דירת עראי on either of two dimensions, height or area, and that the Mishna’s unqualified פסולה is the פסיק ותני the Gemara itself announces on 2a. The full study is at sukkah.org.
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Twenty Amos: Diras Arai and Diras Keva in Sukkah 2a–3b
Following the opening sugya of Masechet Sukkah in order, on the reading that arai and keva describe a dimensional range rather than a method of construction.
A Measure of Length for a Dispute About Height: How Long Must a Sukkah's Shade Last?
On 2b the Amoraim answer a dispute about height with a measure of length. Read with 22b, it fixes a duration: how long the shade must last.
Sukkah Atop a Sukkah: Not a Question of Strength
Rashi reads Rebbi Yehuda's dispute as a question of whether the lower roofing is sound enough to bear the upper dweller's bedding. Three details of the sugya suggest the strength is evidence of intent rather than the thing being disputed.
Where the Twenty Amos Comes From: Why Holding Like Rav Huna Forces a Psak Like Beis Shammai
Rav Shmuel bar Yitzchak's statement on 3a is not a ruling but a consequence — and refusing it decides where the twenty amos comes from.