[Haskell-cafe] Not an isomorphism, but what to call it?

Sean Leather leather at cs.uu.nl
Fri Jan 20 09:09:17 CET 2012

On Thu, Jan 19, 2012 at 23:21, Dan Doel wrote:

> A is a retract of B.
>    http://nlab.mathforge.org/nlab/show/retract
> g is the section, f is the rectraction. You seem to have it already.
> The definition needn't be biased toward one of the functions.

Great! That's what I was looking for. Thanks!
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