Mercurial > repo

view wisdom/categorical product @ 12020:9b7441dadcb5 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<b_jonas> `` /bin/sed -i \'s%"/hackenv/%($ENV{HACKENV}//"/hackenv")."/%\' bin/card-by-name
author HackEso <hackeso@esolangs.org>
date Thu, 14 Nov 2019 21:50:18 +0000
parents 00af4aaadf2c
children
line wrap: on
line source

categorical product is like when you have two category elements A and B then their product is element C iff there are two morphisms p:C->A and q:C->B such that for every element X and morphisms u:X->A and v:X->B there is a unique morphism w:X->C such that u=wp and v=wq.