Why is it misleading to call injective "one-to-one"?
I've edited something about that into the text. Basically I think it's to do with the symmetry of the words in "one-to-one": it looks like it should go both ways, as "one thing in the domain hits one thing in the range, and vice versa".
Why is it misleading to call injective "one-to-one"?
I've edited something about that into the text. Basically I think it's to do with the symmetry of the words in "one-to-one": it looks like it should go both ways, as "one thing in the domain hits one thing in the range, and vice versa".