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validity |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.09 sec. |
validityIn logic, the property of an argument consisting in the fact that the truth of the premises logically guarantees the truth of the conclusion. Whenever the premises are true, the conclusion must be true, because of the form of the argument. Some arguments that fail to be valid are acceptable on grounds other than formal logic (e.g., inductively strong arguments), and their conclusions are supported with less than logical necessity. Where the support yields high probability of the conclusion relative to the premises, such arguments are sometimes called inductively valid. In other purportedly persuasive arguments, the premises actually provide no rational grounds for accepting the conclusion; such defective forms of argument are called fallacies (see fallacy, formal and informal). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Among the lesser criticisms which have been exercised on the Constitution, it has been remarked that the validity of engagements ought to have been asserted in favor of the United States, as well as against them; and in the spirit which usually characterizes little critics, the omission has been transformed and magnified into a plot against the national rights. Any one who cares to do so might test the validity of those rules in the nearest possible way, by applying them to the varied examples in this wide [6] survey of what has been actually well done in English prose, here exhibited on the side of their strictly prosaic merit--their conformity, before all other aims, to laws of a structure primarily reasonable. The assembled clergy admitted the validity of the plea, and the notoriety of the circumstances upon which it was founded; giving thus an indubitable and most remarkable testimony to the existence of that disgraceful license by which that age was stained. |
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