英语词汇“modus tollens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

modus tollens

/ˌməʊdəs ˈtɒlɛnz

noun

1The rule of logic which states that if a conditional statement (‘if p then q’) is accepted, and the consequent does not hold (not-q) then the negation of the antecedent (not-p) can be inferred.Some philosophers have defended the view that animals are not sentient and attempted to use a component conditional for modus tollens....

First, although modus ponens has a probabilistic analog, modus tollens does not - the fact that a hypothesis says that an observation is very improbable does not entail that the hypothesis is improbable.
From a conditional statement, one can construct two types of valid inference: modus ponens and modus tollens.

1.1An argument using the rule of modus tollens.One use of modus tollens is the reductio ad absurdum argument, i.e. showing that a premise is false by demonstrating that it implies an absurd conclusion....

This argument has the modus tollens form, and hence is valid - if its premisses are true, then its conclusion must be true as well.
Once this is shown, the consequences invite a modus tollens; the mere vulnerability of proposed reductions is hardly enough to support the view with such exotic consequences.

Origin

Latin, literally 'mood that denies'.

单词	modus tollens
释义	modus tollens /ˌməʊdəs ˈtɒlɛnz / noun 1The rule of logic which states that if a conditional statement (‘if p then q’) is accepted, and the consequent does not hold (not-q) then the negation of the antecedent (not-p) can be inferred.Some philosophers have defended the view that animals are not sentient and attempted to use a component conditional for modus tollens.... First, although modus ponens has a probabilistic analog, modus tollens does not - the fact that a hypothesis says that an observation is very improbable does not entail that the hypothesis is improbable. From a conditional statement, one can construct two types of valid inference: modus ponens and modus tollens. 1.1An argument using the rule of modus tollens.One use of modus tollens is the reductio ad absurdum argument, i.e. showing that a premise is false by demonstrating that it implies an absurd conclusion.... This argument has the modus tollens form, and hence is valid - if its premisses are true, then its conclusion must be true as well. Once this is shown, the consequences invite a modus tollens; the mere vulnerability of proposed reductions is hardly enough to support the view with such exotic consequences. Origin Latin, literally 'mood that denies'.
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