modus tollens

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modus tollens

Where it comes from

From Latin modus tollendō tollēns (“the mode where the denying denies”), from modus (“mode”) and forms of tollō (“to take away”).

noun MT

uncountable A valid form of argument in which the consequent of a conditional proposition is denied, thus implying the denial of the antecedent. Modus tollens has this form 1. If P, then Q.

Translations

Every language

noun a valid form of argument in which the consequent of a condition proposition is denied

日本語	後件否定
Deutsch	Modus tollens

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MLA

"modus tollens." Wiktionary, via Micwyn, micwyn.com/word/modus%20tollens. Accessed 6 Nov. 2026.

APA

modus tollens. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/modus%20tollens

Chicago

"modus tollens." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/modus%20tollens.

BibTeX

@misc{modus_tollens_2026,
  title = {modus tollens},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/modus%20tollens},
  urldate = {2026-11-06}
}