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<oerjan> ` echo \'121:122 194:196 770:771 1000:1001 1493 1497 2113:2114 3341:3343 4530:4531 5136:5137 5642:5643 5895 5897 8669:8678 9070:9071 9074:9075\' | xargs -n 1 >share/scowrevs
author HackBot
date Mon, 12 Dec 2016 03:24:20 +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.