Answered: Determine if the following is a valid…

Determine if the following is a valid deduction rule: a) P → (Q ∨ R) ¬(P → Q) ∴ R b) (P ∧ Q) → R ¬P ∨ ¬Q ∴ ¬R Please answer both letters. Thank you.

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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Question

Determine if the following is a valid deduction rule:
a) P → (Q ∨ R)
¬(P → Q)
∴ R

b) (P ∧ Q) → R
¬P ∨ ¬Q
∴ ¬R

Please answer both letters. Thank you.

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