Nedarim 59: When Is an Onion an Onion? (yes, still the onion)
Concluding the discussion of whether something prohibited can lost that status. Recall the ability to annul a vow! Plus, the implications of a terumah-hullin mixture, and the possibility of reversing its status. Also, what happens when that which is planted has already been tithed? When it grows again, do you have to tithe again? When do you cross the line into taking too much?
The skinny
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