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annotate wisdom/categorical product @ 5177:94af82d3a839

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<oerjan> addquote <coppro> at one point I\'m pretty sure I fixed a sound problem with "apt-get remove pulseaudio" and it wasn\'t even installed
author HackBot
date Sat, 06 Dec 2014 13:48:15 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
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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.
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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.