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1. Write a truth table to show that P Q and (P^ Q) v (¬P ^ ¬Q) have the same truth values. 2. Write a truth table to show that P → Q and (-P v Q) ^ (¬Q v P) have the same truth values.

1. Write a truth table to show that P Q and (P^ Q) v (¬P ^ ¬Q) have the same truth values. 2. Write a truth table to show that P → Q and (-P v Q) ^ (¬Q v P) have the same truth values.

Database System Concepts
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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1.Write a truth table to show that P ô Q and pP ^Qq_p␣P ^␣Qq have the same truth values.

2.Write a truth table to show that P ô Q and p␣P _Qq^p␣Q_Pq have the same truth values.

1. Write a truth table to show that P + Q and (P ^ Q) v (¬P ^ ¬Q) have the same truth values. 2. Write a truth table to show that P → Q and (¬P v Q) ^ (¬Q v P) have the same truth values.
Transcribed Image Text:1. Write a truth table to show that P + Q and (P ^ Q) v (¬P ^ ¬Q) have the same truth values. 2. Write a truth table to show that P → Q and (¬P v Q) ^ (¬Q v P) have the same truth values.
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