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  1. read(X).
  2.  
  3. even(X) :- write('even'), nl, fail);
  4. odd(X) :- write('odd'), nl, fail);
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
4
compilation info 
prog.pl:1: fatal error: redefining built-in predicate read/1
compilation failed
stdout 
Standard output is empty
https://ideone.com/7gcn4
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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