Bava Batra 170

Can a non-verified document stand up against the claim that a loan was already paid? Suppose you're in court and someone comes in holding a document claiming you owe them a million dollars -- but it hasn't been notorized and no there's no way to know if it's real. Does the document mean anything at all? Join us as we tackle a challenging sugya and enrich our bekiut learning through the Rashbam