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A Prolog program
is a set of specifications in FOL.
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The specification
is known as the database of the
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system.
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Prolog is an
interactive language (the user enters
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queries in
response to a prompt).
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PROLOG adopts the
closed-world assumption
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How does Prolog
find the answer(s)? We return to
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this next week in
Inference in FOL
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