.


:




:

































 

 

 

 


Not(probation(Name))




student("Betty Blue", 3.5).

student("David Smith", 2.0).

student("John Johnson", 3.7).

probation("Betty Blue").

probation("David Smith").

 

honor_student(Name) , 3.5 Betty Blue David Smith, .

 

4.4. .

:

1. cut .

2. cut, , : P, ' Q, ' R.

. , . cut , ( ').

, "". "".

. , , , .

:

goal: not(dog(baks)),

, , " ". , " ", , " - ". . , , , . , ( ), , .

: , dog(baks), , , .

not:

Predicates

R(symbol)

G(symbol)

P(symbol)

Clauses

R(a).

G(b).

p(X):-not(r(X)).

 

goal: g(X), p(X) c =b, goal: p(X), g(X) no (). , (X) ', .

 





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