Gemara:

Eruvin,  Horayot,  Shabbat 

Collections: Rabbi Rosensweig Itamar Columbia Shabbat

Description

Columbia Shiur: the relationship between hotza'ah and the other Melachot; why hotza'ah is singled out in the gemara horiyot as an independent guf; the relationship between techumin and hotza'ah; the rambam's characterization of hotza'ah as a melacha and why he quotes two different sources, one in Shegagot and one in Shabbat.