Series: Daf Yomi

Venue: Jerusalem Jerusalem

Gemara:

Shabbat 

Halacha:

Brit Milah,  Eruvin,  Shabbat 

Collections: R' Berzon Live Daf Yomi Shabbat

References: Shabbat: 131a ,  Shabbat: 131b  

Description

Daf Yomi Live Shabbos 131, the status of מכשירי מילה regarding overriding the Shabbos. What rule determines whether a particular Mitzva would be included in R' Eliezer's principle of מכשירי מצוה?