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  1. number(0).
  2. number(0) :- mod(X,2) is 0.
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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number(4).
compilation info 
prog.pl:1: fatal error: redefining built-in predicate number/1
compilation failed
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Standard output is empty
https://ideone.com/m17Vx
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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