Latest / Matmonim: Daf Yomi by Rabbi David Lapin

Bava Batra 32b Possession is a Right not a Truth - שטרא חספא בעלמא הוא
There are times when the truth is uncertain, or even unknowable. In such cases rights of usage are determined by possession.
Source Sheet
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.