Negation Flashcards

1
Q

What does this do

a := !, 1=2.

A

120

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2
Q

What does this do:

a(A,A) :!,fail.
a(,).

A

121

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3
Q

Implementation of not using negation by failure

A

123

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4
Q

Not implementation – is it a red/green/amber cut

A

124

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5
Q

Why is `not’ based on the closed world assumption

A

125

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6
Q

Give an example of negation being used in a larger program

A

126-127

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7
Q

Give an example of how not could behave counterintuitively

A

128

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8
Q

Explain how quantifiers interact with negation

A

129

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