KnowraModus tollensLinked fromLinked fromThe 12 pages that link to Modus tollens, each with the reason it gives.All 12Broader topic 3Related 4Compared with 5Modus ponensCompared with: It reasons backward from a denied consequent, unlike modus ponens.Conditional proofCompared with: It reasons from a conditional’s failure case instead of deriving a consequent under an assumption.Formal fallacyCompared with: It is valid while denying the antecedent is not, despite their superficially similar forms.Consequentia mirabilisCompared with: It reverses the conditional direction used in the principle's familiar formulation.Modus ponendo tollensCompared with: Despite the similar name, it reasons from a conditional, not an exclusive disjunction.