¬[[p → ¬q) v s] = [p Aq A -s] -[[p → ¬q) → s] = [¬(p^q) A¬s] [(pA¬q) → s] = [¬s → (-p v q)] [¬s → (-p v q)] = [s V q V ¬p]
¬[[p → ¬q) v s] = [p Aq A -s] -[[p → ¬q) → s] = [¬(p^q) A¬s] [(pA¬q) → s] = [¬s → (-p v q)] [¬s → (-p v q)] = [s V q V ¬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
Related questions
Question
Please answer true or false
I think the first is true,second is true, third is false and fourth is false
but I want to check my answers
![-[(p → ¬q) V s] = [p^q A -s]
¬[(p → ¬9) → s] = [¬(p^q) A¬s]
[(pA¬q) → s] = [¬s → (-p v q)]
[-s
→ (-p v q)] = [s V q v -p]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F191441f0-66db-457d-b504-dd20fe1485fa%2F234d9368-cc0f-4940-a2c2-0f0cc9294db5%2Fy95z6n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:-[(p → ¬q) V s] = [p^q A -s]
¬[(p → ¬9) → s] = [¬(p^q) A¬s]
[(pA¬q) → s] = [¬s → (-p v q)]
[-s
→ (-p v q)] = [s V q v -p]
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