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  1. even(X) :- 0 is mod(X,2).
  2. odd(X) :- 1 is mod(X,2).
Success #stdin #stdout 0.02s 68352KB
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even(1).
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GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz

no
https://ideone.com/Tm4Pz
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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