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  1. even(X) := 0 is mod(X, 2).
Success #stdin #stdout 0.03s 6204KB
comments (?)
stdin 
even(2).
stdout 
Standard output is empty
https://ideone.com/BDr8l
language:
Prolog (swi 7.6.4)
created:
14 years ago
visibility:
public

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