c) (p → q) A (r → s)= (~q v ~s) –→ (~p V ~r) Destructive Dilemmas (DD) d) (p → q) ^ p = q Modus Ponens (MP)

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 41SE: A cell phone company offers 6 different voice packages and 8 different data packages. Of those, 3...
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Proof the following by deductive reasoning:
c)
(p → q) A (r → s) = (~q v ~s) → (~p V ~r) Destructive Dilemmas (DD)
d)
(p - q) ^p = q
Modus Ponens (MP)
Transcribed Image Text:c) (p → q) A (r → s) = (~q v ~s) → (~p V ~r) Destructive Dilemmas (DD) d) (p - q) ^p = q Modus Ponens (MP)
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