annotate wisdom/categorical product @ 8532:a158f39b5e8a

<izabera> ` dd if=/dev/zero of=zero bs=1M count=1
author HackBot
date Sun, 19 Jun 2016 16:35:16 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5038
e6ce804971eb <b_jonas> learn 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 morphism w:X->C such that u=wp and v=wq.
HackBot
parents:
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 morphism w:X->C such that u=wp and v=wq.