modus tollendo ponens
English
editEtymology
editBorrowed from Latin modus tollendō pōnēns (roughly, “mode where negating confirms”).
Noun
editmodus tollendo ponens (uncountable)
- (philosophy, logic) A valid form of argument in which the antecedent of a conditional proposition is negated, thereby entailing the affirmation of the consequent. Modus ponendo tollens has the form:
- 1. Either P or Q.
- 2. non-P.
- 3. Therefore, Q.
- Synonym: disjunctive syllogism
Hypernyms
edit- inference rule
- See also Thesaurus:argument form
Related terms
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