laws of thought
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laws of thought — Logic is badly described as investigating the laws of thought. Logic seeks to discover how thoughts, in the sense of the combination of propositions held at one time, must be structured, if they are to conform to the demands of consistency. It… … Philosophy dictionary
The Laws of Thought — more precisely, An Investigation of the Laws of Thought on Which are Founded the Mathematical Theories of Logic and Probabilities , is a very influential 19th century book on logic by George Boole, the second of his two monographs on algebraic l … Wikipedia
thought, laws of — Traditionally, the three fundamental laws of logic: (1) the law of contradiction, (2) the law of excluded middle (or third), and (3) the principle of identity. That is, (1) for all propositions p, it is impossible for both p and not p to be true… … Universalium
Laws of honor — Law Law (l[add]), n. [OE. lawe, laghe, AS. lagu, from the root of E. lie: akin to OS. lag, Icel. l[ o]g, Sw. lag, Dan. lov; cf. L. lex, E. legal. A law is that which is laid, set, or fixed; like statute, fr. L. statuere to make to stand. See… … The Collaborative International Dictionary of English
Laws of motion — Law Law (l[add]), n. [OE. lawe, laghe, AS. lagu, from the root of E. lie: akin to OS. lag, Icel. l[ o]g, Sw. lag, Dan. lov; cf. L. lex, E. legal. A law is that which is laid, set, or fixed; like statute, fr. L. statuere to make to stand. See… … The Collaborative International Dictionary of English
Laws of classical logic — The laws of classical logic are a small collection of fundamental sentences of propositional logic and Boolean algebra, from which may be derived all true sentences in both of these elementary formal systems.The syntax of the laws of classical… … Wikipedia
Laws of Form — (hereinafter LoF ) is a book by G. Spencer Brown, published in 1969, that straddles the boundary between mathematics and of philosophy. LoF describes three distinct logical systems: * The primary arithmetic (described in Chapter 4), whose models… … Wikipedia
thought — thought1 /thawt/, n. 1. the product of mental activity; that which one thinks: a body of thought. 2. a single act or product of thinking; idea or notion: to collect one s thoughts. 3. the act or process of thinking; mental activity: Thought as… … Universalium
Laws (dialogue) — For the work by Cicero of the same title, see De Legibus. Part of the series on: The Dialogues of Plato Early dialogues: Apology – Char … Wikipedia
Thought experiment — A thought experiment (from the German Gedankenexperiment ) is a proposal for an experiment that would test a hypothesis or theory but cannot actually be performed due to practical limitations; instead its purpose is to explore the potential… … Wikipedia
Laws of science — The laws of science are various established scientific laws, or physical laws as they are sometimes called, that are considered universal and invariable facts of the physical world. Laws of science may, however, be disproved if new facts or… … Wikipedia
