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5) Prove [¬(p→q)→p] is a tautology using a truth table. [Hints: Complete the truth table below and show that [¬(p¬q)→p] is a tautology] p→q ¬(p→q) ¬(p→q)¬p

5) Prove [¬(p→q)→p] is a tautology using a truth table. [Hints: Complete the truth table below and show that [¬(p¬q)→p] is a tautology] p→q ¬(p→q) ¬(p→q)¬p

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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5) Prove [¬(p→q)→p] is a tautology using a truth table. [Hints: Complete the truth table below and show that [¬(p→q)→p] is a tautology] p→q ¬(p→q) ¬(p→q)→p
Transcribed Image Text:5) Prove [¬(p→q)→p] is a tautology using a truth table. [Hints: Complete the truth table below and show that [¬(p→q)→p] is a tautology] p→q ¬(p→q) ¬(p→q)→p
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