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id="92515">[PDF] I Practice in 1st-order predicate logic – with answers27 fév 2006 · Practice in 1st-order predicate logic – with answers 1 Mary loves everyone [assuming D contains only humans] ?x love (Mary, x)
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id="29858">[PDF] Section 71 First-Order Predicate CalculusThe symbol ?x is an existential quantifier and it indicates disjunction Example If x ? {1, 2, 3}, then ?x p(x) = p(1) ? p(2)
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