1. Use truth tables to show the following statements are equivalent for any statements P, Q, and R: (a) (P=Q) is equivalent to (Q or (not P)). (b) (not (P →Q)) is equivalent to (P and (not Q)). (c) ((P=R) and (Q=R)) is equivalent to ((P or Q) →R).

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Use truth tables to show the following statements are equivalent for any statements P,
Q, and R:
(a) (P = Q) is equivalent to (Q or (not P)).
(b) (not (P = Q)) is equivalent to (P and (not Q)).
(c) ((P→R) and (Q= R)) is equivalent to ((P or Q) = R).
Transcribed Image Text:1. Use truth tables to show the following statements are equivalent for any statements P, Q, and R: (a) (P = Q) is equivalent to (Q or (not P)). (b) (not (P = Q)) is equivalent to (P and (not Q)). (c) ((P→R) and (Q= R)) is equivalent to ((P or Q) = R).
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