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Modus Tollens
9.3
Excellent
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description Modus Tollens Overview
A rule of inference where if P implies Q and Q is false, then P must be false. It is the contrapositive form of modus ponens.
help Modus Tollens FAQ
What is Modus Tollens?
A rule of inference where if P implies Q and Q is false, then P must be false. It is the contrapositive form of modus ponens.
How good is Modus Tollens?
Modus Tollens scores 9.3/10 (Excellent) on Lunoo, making it one of the highest-rated options in the Logic category.
What are the best alternatives to Modus Tollens?
See our alternatives page for Modus Tollens for a ranked list with scores. Top alternatives include: De Morgan's Laws, Boolean Algebra, Modus Ponens.
How does Modus Tollens compare to De Morgan's Laws?
See our detailed comparison of Modus Tollens vs De Morgan's Laws with scores, features, and an AI-powered verdict.
Is Modus Tollens worth it in 2026?
With a score of 9.3/10, Modus Tollens is highly rated in Logic. See all Logic ranked.
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