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  1. lieb(sandra).
  2. ist_guter_freund(X) :- lieb(X).
Success #stdin #stdout 0.02s 68352KB
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ist_guter_freund(sandra)
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GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
uncaught exception: error(syntax_error('user_input:1 (char:25) . or operator expected after expression'),read_term/3)
https://ideone.com/p6cfP
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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