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  1. ?- write('Prolog').
Success #stdin #stdout #stderr 0.02s 7784KB
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stdin
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Standard input is empty
stdout
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Prolog
stderr
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ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/IlVPZT
language:
Prolog (swi 7.6.4)
created:
8 years ago
visibility:
public

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