Loose-leaf Version for Calculus: Early Transcendentals Combo 3e & WebAssign for Calculus: Early Transcendentals 3e (Life of Edition)
Question
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Chapter A, Problem 1PQ
To determine

Which is the contrapositive of AB?

(a)BA    (b)~BA

(c)~B~A     (d)~~ B

Expert Solution & Answer
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Answer to Problem 1PQ

Solution:

Correct option is (c)

Explanation of Solution

Given:

AB (A conditional statement)

Options are:

(a)BA    (b)~BA

(c)~B~A     (d)~~ B

Definition:

The statement (~q)(~p) is called the contrapositive of the statement pq.

So, the contrapositive of AB is (~B)(~A)

Hence correct option is c.

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