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  1. 人間(ソクラテス).
  2. 人間(波平さん).
  3. main:
  4. forall(人間(X),
  5. (format('X=~w~n',[X]))),
  6. halt.
  7. :-initialization(main).
Success #stdin #stdout #stderr 0.02s 7076KB
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Standard input is empty
stdout
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Standard output is empty
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ERROR: /home/Gz3AcG/prog:3:
	Full stop in clause-body?  Cannot redefine ,/2
ERROR: /home/Gz3AcG/prog:7: Initialization goal raised exception:
ERROR: prolog_main:main/0: Undefined procedure: main/1
ERROR:   However, there are definitions for:
ERROR:         main/0
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/jREkMs
language:
Prolog (swi 7.6.4)
created:
7 days ago
visibility:
public

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