Sukkah 3a and Sukkah 3b, defending the possibility that a sukkah could be as small as 7 tefahim by 7 tefahim (Beit Shammai’s view, accepted as normative halachah), the two disagreements between Beit Shammai and Beit Hillel about a sukkah, its bare size and if the table is in the house, and then a series of areas where a structure must be 4 amot by 4 amot to count as a house.
