Another valid form denies the consequent to deny the antecedent. That form is:
AModus vivendi
BModus operandi
CModus ponens
DModus tollens
Answer & Solution
Correct answer: D. Modus tollens
1. It also works on a conditional.
2. The then-part is denied.
3. It is modus tollens.
_Source: OpenStax Introduction to Philosophy, Chapter 5, Logic and Reasoning._
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