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From: Manolo =?iso-8859-1?Q?Mart=EDnez?= <manolo@austrohungaro.com>
Newsgroups: comp.lang.python
Subject: Re: Suggestion: make sequence and map interfaces more similar
Date: Wed, 30 Mar 2016 12:50:35 +0200
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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