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Mathematics, 22.07.2019 07:50 Wolfman2004

Express the negations of each of these statements so that all negation symbols immediately precede predicates. a.∃z∀y∀xt (x, y, z) b.∃x∃yp(x, y) ∧ ∀x∀yq(x, y) c.∃x∃y(q(x, y) ↔ q(y, x))

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