Mercurial > repo

annotate wisdom/categorical product @ 11390:1839bf085c00

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<wob_jonas> forget mark
author HackBot
date Wed, 28 Feb 2018 02:24:09 +0000
parents 00af4aaadf2c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10797
00af4aaadf2c <oerjan> slwd categorical product//s,is a,is a unique,
HackBot
parents: 5039
diff changeset
1 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.