Gemara:

Eruvin,  Shabbat 

Collections: Rabbi Rosensweig Itamar Columbia Shabbat

Description

Columbia Shiur: the source for daled al daled; tosafot 4a and 4b- mishkan, sevara; Ramban- gemara gimiri lah; Rambam peirush hamishnayit- davar hamitkayeim; distinctions between akirah and hanacha- Tosafot, Ramban, Meiri, Tosafot Yeshanim; When does machashava work to create 4 x 4: Tosafot 4b- lo nicha leih beinyan acheir, Ramban's מיגו דהוה מלאכה, Tosafot Rid's (102) limitation, Rashi shabbat and eruvin; Meiri's broad application; Ba'al Hamaor's distinction between akirah and hanakhah, Tosafot Rosh's variation.