Gemara:

Bava Kamma 

Collections: R' Neuburger Bava Kama 2018

References: Bava Kamma: 3a ,  Rashi: Bava Kamma (3a) "Idi v'Idi" ,  Tosfos: Bava Kamma (3a) "Ha" ,  Rashba: Bava Kamma (3a) ,  Rambam: Hilchos Toen v'Nitan (5:2) ,  Ra'avad: Hilchos Toen v'Nitan (5:2)  

Description

A deeper analysis of Rashi, Tosfos, and Rashba on Machalya Karna and Lo Machalya Karna, and their version of what a Mazik is Chayav for.