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annotate wisdom/categorical product @ 5105:16fd724afbb0

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<fizzie> ! glass {M[mxA!yO!a<1>=b<0>=c<20>=/ccc*<1>xs.?=b*y(on).?" "yo.?ba*aa*b*xa.?==\\]}
author HackBot
date Sat, 18 Oct 2014 21:56:09 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
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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
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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.