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  1. even(X) :- 0 is mod(X,2)
  2. odd(X) :- 1 is mod(X,2)
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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odd(1).
compilation info 
prog.pl:2:1: syntax error: . or operator expected after expression
	1 error(s)
compilation failed
stdout
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Standard output is empty
https://ideone.com/x4psC
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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