Mathematics, 05.09.2019 16:20 jada741

Select the answer that best describes the following statements:
a. ¬ (p → q) ⇌ (¬ p → ¬ q) (p → q) is logically equivalent to (¬ p ∨ q).
b. (p → q) is logically equivalent to (¬ q → ¬ p).
c. (p → q) is true only if both p and q are true or both p and q are false.
i. true
ii. false

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Select the answer that best describes the following statements:
a. ¬ (p → q) ⇌ (¬ p → ¬ q) (...