view wisdom/categorical product @ 7850:ed98f2c14d01

<hppavilion[1]> mkx bin/culprits2//GOAT=`shuf -n1 share/scapegoats`; hg log --removed -- "$1" | grep summary: | sed "s/hppavilion\\[1\\]/$GOAT/g" | sed "s/ +/ /g" | sed "s/^ //" | awk \'{print substr($2,2,length($2)-2)}\'| sed "s/.$/\\x0F&/" | xargs
author HackBot
date Fri, 06 May 2016 03:18:20 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
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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.