To prove the claim that "If an individual's income goes up, their demand for our product goes up" by Transposition it would suffice to show:
A) any individual with falling demand must have falling income.
B) every individual with increasing income has increasing demand.
C) any individual with falling income has falling demand.
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

Transposition involves proving the contrapositive. The contrapositive of "If income goes up, demand goes up" is "If demand does not go up, income does not go up," which is equivalent to "If demand falls, income falls."

To Prove the Claim That "If an Individual's Income Goes