VIII. Use a truth table to check whether each of the following statements is a tautology, contradiction, or neither. 46. pnq→~ q 47. pv -(pvq) 48. qv - (pv - p) 49. р^(~ р) 50. дл~ (pур)

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
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Answer all odd numbers

VIII. Use a truth table to check whether each of the following
statements is a tautology, contradiction, or neither.
46. png→ 9
47. pv ~(pvq)
48. qv - (pv - p)
49. p^(- p)
50. дл~(руp)
Transcribed Image Text:VIII. Use a truth table to check whether each of the following statements is a tautology, contradiction, or neither. 46. png→ 9 47. pv ~(pvq) 48. qv - (pv - p) 49. p^(- p) 50. дл~(руp)
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