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  1. symptom(delirium,mind,virus(rbs, rabies)).
  2. symptom(delirium,mind,virus(tbe, tick-borne-encephalitis)).
  3. symptom(discomfort,mind,virus(rbs, rabies)).
  4.  
  5. causedBy(X,Y) :- symptom(X, _, virus(Y, _)).
  6.  
  7. :- causedBy(delirium, What), write(What), nl, fail.
Success #stdin #stdout 0.02s 6204KB
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Standard input is empty
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rbs
tbe
https://ideone.com/aq0GJF
language:
Prolog (swi 7.6.4)
created:
11 years ago
visibility:
secret

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