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view Paper/src/AgdaProduct.agda @ 1:bf2887cd22c1

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fix Paper
author ryokka
date Fri, 13 Apr 2018 19:47:50 +0900
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data _×_ (A B : Set) : Set where
  <_,_> : A -> B -> A × B

fst : {A B : Set} -> A × B -> A
fst < a , _ > = a

snd : {A B : Set} -> A × B -> B
snd < _ , b > = b