1.For each of the following propositions, construct a truth table and state whether the proposition is valid (a)p.^-p (b) pv-p (c) (pv-q) ⇒ q (d) (pv q) ⇒ (p^ q) (e) (p= q) (-q⇒ -p) (f) (p = q) → (q⇒p)
1.For each of the following propositions, construct a truth table and state whether the proposition is valid (a)p.^-p (b) pv-p (c) (pv-q) ⇒ q (d) (pv q) ⇒ (p^ q) (e) (p= q) (-q⇒ -p) (f) (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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truth table
Transcribed Image Text:1.For each of the following propositions, construct a truth table and state whether the proposition is valid
(a) p^-p
(b) pv-p
(c) (p v¬q) ⇒ q
(p)
(bv d) = (bnd)
(d- = b-) = (b = d) (ə)
(d = b) = (b = d) (+)
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