law of the excluded middle
- law of the excluded middle
- Contradiction Con`tra*dic"tion, n. [L. contradictio answer,
objection: cf. F. contradiction.]
1. An assertion of the contrary to what has been said or
affirmed; denial of the truth of a statement or assertion;
contrary declaration; gainsaying.
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His fair demands
Shall be accomplished without contradiction. --Shak.
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2. Direct opposition or repugnancy; inconsistency;
incongruity or contrariety; one who, or that which, is
inconsistent.
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can he make deathless death? That were to make
Strange contradiction. --Milton.
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We state our experience and then we come to a manly
resolution of acting in contradiction to it.
--Burke.
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Both parts of a contradiction can not possibly be
true. --Hobbes.
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Of contradictions infinite the slave. --Wordsworth.
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{Principle of contradiction} (Logic), the axiom or law of
thought that a thing cannot be and not be at the same
time, or a thing must either be or not be, or the same
attribute can not at the same time be affirmed and and
denied of the same subject; also called the {law of the
excluded middle}.
Note: It develops itself in three specific forms which have
been called the ``Three Logical Axioms.'' First, ``A is
A.'' Second, ``A is not Not-A'' Third, ``Everything is
either A or Not-A.''
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The Collaborative International Dictionary of English.
2000.
Look at other dictionaries:
law of the excluded middle — law (or principle) of the excluded middle Logic the principle that one (and one only) of two contradictory propositions must be true … Useful english dictionary
law (or principle) of the excluded middle Logic — the principle that one (and one only) of two contradictory propositions must be true. → exclude … English new terms dictionary
Law of excluded middle — This article uses forms of logical notation. For a concise description of the symbols used in this notation, see Table of logic symbols. In logic, the law of the excluded middle states that the propositional calculus formula P ∨ ¬ P ( P or not P… … Wikipedia
excluded middle, principle of — (or law of ) The logical law asserting that either p or not p . It excludes middle cases such as propositions being half correct or more or less right. The principle directly asserting that each proposition is either true or false is properly… … Philosophy dictionary
excluded middle — /əkskludəd ˈmɪdl/ (say uhkskloohduhd midl) noun law of the, Logic the law which states that a proposition is either true or false, or that a thing either has or does not have a given property …
Law of thought — The laws of thought are fundamental logical rules, with a long tradition in the history of philosophy, which collectively prescribe how a rational mind must think. To break any of the laws of thought (for example, to contradict oneself) is to be… … Wikipedia
EXCLUDED MIDDLE — the LOGICAL law which states that A is either B or not B … Concise dictionary of Religion
The Geography of Thought — Richard Nisbett s book The Geography of Thought proposes that the passion for strong ontology and scientific rationality based on forward chaining from axioms is essentially a Western phenomenon. The ancient Greek passion for abstract categories… … Wikipedia
law of excluded middle — a principle in logic: if one of two contradictory statements is denied the other must be affirmed * * * Logic. the principle that any proposition must be either true or false … Useful english dictionary
law of excluded middle — Logic. the principle that any proposition must be either true or false. * * * … Universalium
