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  1.  
  2.  even(4) :- N mod 2 =:= 0, write('EVEN').
  3.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.pl:2: warning: singleton variables [N] for even/1
prog.pl:2: fatal error: unbound variable in arithmetic expression
compilation failed
stdout
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Standard output is empty
https://ideone.com/tZsT4
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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