Q4 The expression (-p^g) 41 is equivalent to which of the following? Op^qvr Opvqvr Opvqr Op^-qV-r

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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Q4
The expression (-p^ g) → ¬r is equivalent to which of the following?
Op^qvr
OpvqVr
Opv¬qV¬r
Opn¬qV¬r
Q5
We know that (q +r)^(-q+r) is equivalent to false because of which law?
Biconditional law
O Contradiction
O Contrapositive law
O Law of Excluded Middle
Transcribed Image Text:Q4 The expression (-p^ g) → ¬r is equivalent to which of the following? Op^qvr OpvqVr Opv¬qV¬r Opn¬qV¬r Q5 We know that (q +r)^(-q+r) is equivalent to false because of which law? Biconditional law O Contradiction O Contrapositive law O Law of Excluded Middle
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