(p → q) :: (~q → ~p) expresses which rule of equivalence?
A) material implication
B) commutation
C) material equivalence
D) contraposition

Name: (p → q) :: (~q → ~p) expresses which rule of equivalence? A) material implication B) commutation C) material equivalence D) contraposition
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Question

Quizplus · Accepted Answer

The expression (p → q) :: (~q → ~p) represents the rule of contraposition, which states that a conditional statement is logically equivalent to its contrapositive.

(P → Q) :: (~Q → ~P) Expresses Which Rule