Predicate Logic
Predicate Logic
Predicate Logic
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Truth in first-order logic<br />
Sentences are true with respect to a model and an interpretation<br />
Model contains objects (domain elements ) and relations among them<br />
Interpretation specifies referents for<br />
constant symbols → objects<br />
predicate symbols → relations<br />
function symbols → functional relations<br />
An atomic sentence predicate(term 1 ,...,term n ) is true<br />
iff the objects referred to by term 1 ,...,term n<br />
are in the relation referred to by predicate<br />
Artificial Intelligence: <strong>Predicate</strong> <strong>Logic</strong> Slide: 14
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