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  1. isEven(X) :-
  2. 	X > 0,
  3. 	0 is X mod 2.
  4.  
  5.  
Success #stdin #stdout 0.02s 68352KB
comments (?)
stdin 
isEven(-2).
stdout 
GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz

no
https://ideone.com/Ri75i
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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