Venue: YU Torah MiTzion Beit Midrash Zichron Dov YU Torah MiTzion Beit Midrash Zichron Dov

Gemara:

Beitza 

Halacha:

Yom Tov 

Collections: Rabbi Torczyner Beitza 2014

References: Beitza: 7a ,  Beitza: 7b  

Description

The assumption that a chicken lays eggs only during daylight hours, and its practical halachic ramifications. And the gemara's practice of assuming that a particular event happened in a very unlikely way, rather than believe that it violated a trusted principle.