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validity |
Also found in: Dictionary/thesaurus, Medical, Legal, Wikipedia, Hutchinson | 0.04 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). validity [və′lid·əd·ē] (mathematics) Correctness; especially the degree of closeness by which iterated results approach the correct result. 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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Catuneanu has covered the ground in excruciating detail, more than most people could comfortably absorb, but provided less guideline information on the real threads of logical truth that matter, or on the realistic application in the less-than-ideal real world most geologists toil in. Campbell did understand that while myths have poetical truth, the kind of truth all made-up stories have, they do not have the factual and logical truth to be found in historical narratives and in bodies of scientific knowledge. |
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