2. Find simpler formulas equivalent to this formulas: a) ~(pV~ q) b) ~ (q ^~ p) V p c) pV (q ^~ p)

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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2. Find simpler formulas equivalent to this formulas:
a) ~(p V~ q)
b) ~ (q ^~ p) V p
c) p V (q ^~ p)
d) ~ (p v (q ^~ r)) Aa
e) ~ (p ^~ q) V (~p^q)
f) (p ^r) V [~ r A (p V q)]
g) w As A [~ {(p = q) → (~ q =~ p)} =r]
Transcribed Image Text:2. Find simpler formulas equivalent to this formulas: a) ~(p V~ q) b) ~ (q ^~ p) V p c) p V (q ^~ p) d) ~ (p v (q ^~ r)) Aa e) ~ (p ^~ q) V (~p^q) f) (p ^r) V [~ r A (p V q)] g) w As A [~ {(p = q) → (~ q =~ p)} =r]
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