view wisdom/categorical product @ 11339:a3b6a53b86d8

<shachaf> le//rn_append dowg//One who uses many dowgs is known as a dowager.
author HackBot
date Sat, 03 Feb 2018 02:52:09 +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.