Zevahim 51: Binyan Av

Talking Talmud · Nov 4, 2025 · 17m

Exegetical prowess: "binyan av" - learning the narrow case from a more general case. This category is added to the others: gezerah shavah, kal va-chomer, and hekesh. And the Gemara uses a baraita about disqualified blood as learned from a "binyan av" to probe whether it could then be applied to another binyan av. But that would mean deriving a law regarding that which was improperly done to that which was properly done, and that is difficult. And binyan av is determined to be a less used approach. Also, back to the halakhot about pouring the remaining blood - after the sprinkling - on the…