Poppa Bar Abba: I’ve never heard of an optional mitzva. If you mean to say that it is balanced by other considerations, that is one thing. But if you mean that one can just choose to not do it, that seems odd…
DY: Popa, ????? ??? ????? ???? for ????.
Poppa Bar Abba: I meant leshitasi.
Was that a referrence to http://www.theyeshivaworld.com/coffeeroom/topic/are-women-reallyjewish?