necessary

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necessary

1. Logic

a. (of a statement, formula, etc.) true under all interpretations or in all possible circumstances

b. (of a proposition) determined to be true by its meaning, so that its denial would be self-contradictory

c. (of a property) essential, so that without it its subject would not be the entity it is

d. (of an inference) always yielding a true conclusion when its premises are true; valid

e. (of a condition) entailed by the truth of some statement or the obtaining of some state of affairs

2. Philosophy (in a nonlogical sense) expressing a law of nature, so that if it is in this sense necessary that all As are B, even although it is not contradictory to conceive of an A which is not B, we are licensed to infer that if something were an A it would have to be B

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No references found			Thus disease and health are naturally present in the body of an animal, and it is necessary that either the one or the other should be present in the body of an animal. The Categories by Aristotle View in context It was necessary that Romulus should not remain in Alba, and that he should be abandoned at his birth, in order that he should become King of Rome and founder of the fatherland. The Prince by Machiavelli, Nicolo View in context But, in order that the moon should reach the zenith of a given place, it is necessary that the place should not exceed in latitude the declination of the luminary; in other words, it must be comprised within the degrees 0@ and 28@ of lat. From The Earth To The Moon by Verne, Jules View in context			Nebular Hypothesis nebular lines nebular redshift Nebular Spectrograph nebular transitions nebular variable nebule molding nebulé molding nebulite nebulitic Nebulium nebulium line nebulizer nebulosus nebuly molding Nebushasban Nebuta Matsuri Nebuzaradan NEC NEC 780-C NEC Corp. Necatigil, Behcet Necatigil, Behçet Necedah National Wildlife Refuge necessarium necessary Necessary and Sufficient Conditions necessary bandwidth necessary condition Necessary Defense Necessary Labor Necessary Product Necessitas necessity Necessity and Chance Necessity, Fort Nechaev, Aleksei Nechaev, Aleksei Vasilevich Nechaev, Egor Nechaev, Egor Efimovich Nechaev, Sergei Nechaev, Sergei Gennadievich Nechai, Danila Nechako Nechako River Nechitailo, Vasilii Nechitailo, Vasilii Kirillovich Nechkina, Militsa Nechkina, Militsa Vasilevna Necho Necho II			NECEEM NECEF NECEN NECEP NECEPT NECES NECESI Necessarian Necessarianism Necessarianism Necessarianism necessarians necessaries necessaries necessaries necessaries necessaries necessaries necessarii necessarily necessarily necessarily necessarily necessarily necessarily connected Necessariness Necessarium Necessarium Necessarium est quod non potest aliter se habere necessarius necessary Necessary (logic) Necessary (logic) Necessary (logic) Necessary (logic) Necessary (logic) Necessary (modal logic) Necessary (modal logic) Necessary Action Taken Necessary and proper Necessary and Proper Clause Necessary and sufficient Necessary and sufficient condition Necessary and sufficient condition Necessary and sufficient conditions Necessary and sufficient conditions Necessary and sufficient conditions necessary attribute Necessary Bandwidth Necessary Bandwidth Necessary But Not Sufficient necessary cause necessary cause necessary cause necessary cause necessary component Necessary condition Necessary condition Necessary Contextual Element necessary contracts of infants necessary contracts of infants

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necessary