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modus ponens
[ moh-duhs poh-nenz ]
noun
- the reasoning that, when a conditional statement is accepted as true, as 鈥 If X is red, then Y is blue,鈥 it can be inferred when the antecedent is known to be true, as 鈥淴 is red,鈥 that its consequent, 鈥淵 is blue,鈥 is affirmed.
- an argument based on the reasoning of modus ponens:
A simple modus ponens might begin with 鈥淚f Joe sneezes, Tom laughs.鈥
modus ponens
/ 藞m蓹蕣d蓹s 藞p蓹蕣藢n蓻nz /
noun
- logic the principle that whenever a conditional statement and its antecedent are given to be true its consequent may be validly inferred, as in if it's Tuesday this must be Belgium and it's Tuesday so this must be Belgium
亚洲网紅露点 History and Origins
Origin of modus ponens1
亚洲网紅露点 History and Origins
Origin of modus ponens1
Example Sentences
It consisted primarily of modus ponens鈥斺淚f A is true, then B is true. A is true. Therefore, B is true鈥濃攁nd modus tollens鈥斺淚f A is true, then B is true. B is not true. Therefore, A is not true.鈥
鈥淢odus ponens is O.K. when you鈥檙e doing the informal proofs, but modus tollens can be tough,鈥 Murphy said as he packed his books and pens.
Instead, all their arguments involve what logicians know as聽鈥渕odus ponens鈥: that if X implies Y and X is true, then Y must also be true.
This is the Modus Ponens or Positive Mode, where you reach a conclusion by obtaining the admission of the Antecedent.
Two Moods are usually recognised the Modus ponens, in which the antecedent of the hypothetical major premise is affirmed; and the Modus tollens, in which its consequent is denied.
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