Recent content by xZhongCheng

I looked at the page for wiki where injection is just each argument is mapped to at most one value. So It should be possible for some other values not mapped to any?

Hi, I would like to say this is a great forum I found. This is my very first post yay =) I need help on these certain questions. 5. (10%) Given A = {1, 2, 3} and B = {a, b, c} (a) list in two-line notation all one-to-one functions from A to B; (b) list in two-line notation all onto functions...