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Topic: CSE 130 Homework #9 and Final
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Mickey  73
03-15-2004 01:44 PM PT (US)
In "Notes on Chapter 11", there is an example of using "not" together with "!(cut)".

not(X) :- X, !, fail.
not(X).

not(fly(penguin)). // #1

not(fly(X)). // #2

so how do these work? What does "succeed" in the sentence "the first caluse for not will try to make fly(penguin) succeed" mean? Why does #2 produce incorrect results?
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