2. Prove that if : A B is function (on sets A and B), then ray whenever 4(x) = 4(y) defines an equivalence relation. Con
Posted: Tue Sep 07, 2021 7:46 am
2. Prove that if : A B is function (on sets A and B), then ray whenever 4(x) = 4(y) defines an equivalence relation. Conclude that the fibers of any function partition its domain.