2. By building tables check which statements are tautologies. a) (p ^ q) => (q v p) b) p => - p c) (p => q) => (q => p)
2. By building tables check which statements are tautologies. a) (p ^ q) => (q v p) b) p => - p c) (p => q) => (q => p)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:2. By building tables check which statements are
tautologies.
a) (p ^ q) => (q v p)
b) p => - p
c) (p => q) => (q => p)
d) (p => q) => (~p=> - q)
e) (p => q) => (~q => - p)
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