- logical necessity
- noun that state of things which obliges something to be as it is because no alternative is logically possible.
English new terms dictionary. 2014.
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logical necessity — … Useful english dictionary
necessity — If a being is necessary then it is impossible that it should not have existed. God is held by many Christian philosophers to be a necessary being. There are, however, different types of necessity, and there is some dispute over precisely which … Christian Philosophy
logical — adj. 1 of logic or formal argument. 2 not contravening the laws of thought, correctly reasoned. 3 deducible or defensible on the ground of consistency; reasonably to be believed or done. 4 capable of correct reasoning. Phrases and idioms: logical … Useful english dictionary
Logical truth — is one of the most fundamental concepts in logic, and there are different theories on its nature. A logical truth is a statement which is true and remains true under all reinterpretations of its components other than its logical constants. It is… … Wikipedia
Logical positivism — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… … Wikipedia
necessity — [nə ses′ətē] n. pl. necessities [ME necessite < OFr nécessité < L necessitas < necesse: see NECESSARY] 1. the power of natural law that cannot be other than it is; natural causation; physical compulsion placed on man by nature; fate 2.… … English World dictionary
Logical consequence — Therefore redirects here. For the symbol, see therefore sign. Logical consequence is a fundamental concept in logic. It is the relation that holds between a set of sentences (or propositions) and a sentence (proposition) when the former entails… … Wikipedia
necessity — noun 1 fact that sth must happen; sth that cannot be avoided ADJECTIVE ▪ absolute, fundamental (esp. BrE), sheer, vital ▪ Sleep is an absolute necessity for life. ▪ dire, urgent … Collocations dictionary
Logical connective — This article is about connectives in classical logic. For connectors in natural languages, see discourse connective. For connectives and operators in other logics, see logical constant. For other logical symbols, see table of logic symbols. In… … Wikipedia
Necessity — This article is about the definition of necessity according to domestic law. For the concept of necessity in international law, see Military necessity. For logical meanings, see Necessary (disambiguation) and Modal logic … Wikipedia