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groupoid [2014/12/03 23:06] (current)
nikolaj old revision restored (2014/11/25 17:31)
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 +===== Groupoid =====
 +==== Collection ====
 +| @#FFBB00: definiendum | @#FFBB00: ${\bf C}$ in it |
 +| @#AAFFAA: inclusion ​  | @#AAFFAA: ${\bf C}$ ... category |
 +| @#FFFDDD: forall ​     | @#FFFDDD: $A,B\in{\bf C}$ |
 +| @#FFFDDD: forall ​     | @#FFFDDD: $f:{\bf C}[B,A]$ |
 +| @#55EE55: postulate ​  | @#55EE55: $f$ ... isomorphism |
  
 +==== Discussion ====
 +=== Reference ===
 +Wikipedia: [[http://​en.wikipedia.org/​wiki/​Groupoid|Groupoid]]
 +==== Parents ====
 +=== Requirements ===
 +[[Isomorphism]]
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