¬∀x∀y∃z P(x, y, z) has the same truth value as ___. Group of answer choices ¬∃x∃y∀z P(x, y, z) ∀x∀y∃z ¬P(x, y, z) ∃x∃y∀z P(x, y, z) ∃x¬∀y∃z P(x, y, z) ¬∀x∀y A(x, y) has the same truth value as ___. ∀x¬∃y A(x, y) ∃x¬∀y A(x, y) ∀x∀y ¬A(x, y) ∀x∃y ¬A(x, y) ¬∃x∀y∃z (x – y < z) has the same truth value as ___. ∀x∃y∀z (x – y ≥ z) ∀x∃y∃z (x – y ≥ z) ∃x∀y∃z (x – y < z) ∀x∃y∀z (x – y > z)
¬∀x∀y∃z P(x, y, z) has the same truth value as ___. Group of answer choices ¬∃x∃y∀z P(x, y, z) ∀x∀y∃z ¬P(x, y, z) ∃x∃y∀z P(x, y, z) ∃x¬∀y∃z P(x, y, z) ¬∀x∀y A(x, y) has the same truth value as ___. ∀x¬∃y A(x, y) ∃x¬∀y A(x, y) ∀x∀y ¬A(x, y) ∀x∃y ¬A(x, y) ¬∃x∀y∃z (x – y < z) has the same truth value as ___. ∀x∃y∀z (x – y ≥ z) ∀x∃y∃z (x – y ≥ z) ∃x∀y∃z (x – y < z) ∀x∃y∀z (x – y > z)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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¬∀x∀y∃z P(x, y, z) has the same truth value as ___.
Group of answer choices
¬∃x∃y∀z P(x, y, z)
∀x∀y∃z ¬P(x, y, z)
∃x∃y∀z P(x, y, z)
∃x¬∀y∃z P(x, y, z)
¬∀x∀y A(x, y) has the same truth value as ___.
∀x¬∃y A(x, y)
∃x¬∀y A(x, y)
∀x∀y ¬A(x, y)
∀x∃y ¬A(x, y)
¬∃x∀y∃z (x – y < z) has the same truth value as ___.
∀x∃y∀z (x – y ≥ z)
∀x∃y∃z (x – y ≥ z)
∃x∀y∃z (x – y < z)
∀x∃y∀z (x – y > z)
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