fork(2) download 
  1. verheiratet(adam, eva). 
  2. verheiratet(EHEFRAU, EHEMANN):-verheiratet(EHEMANN, EHEFRAU),!.
  3.  
Success #stdin #stdout #stderr 0.02s 6160KB
comments (?)
stdin 
verheiratet(eva, adam).

verheiratet(adam, eva).
stdout 
Standard output is empty
stderr 
true.

true 
EOF: halt
https://ideone.com/83elPM
language:
Prolog (swi 7.6.4)
created:
12 years ago
visibility:
public

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