On 03/30/16 at 01:40pm, Jussi Piitulainen wrote: > Manolo Martínez writes: > > > I think it's with your definition of surjection. Bijections are > > surjective, no? > > Yes, and most many-to-one mappings are *not* surjective.
Well, I don't know about most, there are uncountably many surjective and non-surjective many-to-one mappings :) M -- https://mail.python.org/mailman/listinfo/python-list