excluded middle
1excluded middle — excluded middle, Logic. the premise that, since every proposition must be true or false, there can be no third alternative or middle ground between true and false, or between contradictions …
2Excluded middle — Exclude Ex*clude , v. t. [imp. & p. p. {Excluded}; p. pr. & vb. n. {Excluding}.] [L. excludere, exclusum; ex out + claudere to shut. See {Close}.] 1. To shut out; to hinder from entrance or admission; to debar from participation or enjoyment; to… …
3excluded 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… …
4EXCLUDED MIDDLE — the LOGICAL law which states that A is either B or not B …
5excluded 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 …
6Law 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… …
7law 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.… …
8law (or principle) of the excluded middle Logic — the principle that one (and one only) of two contradictory propositions must be true. → exclude …
9principle of excluded middle — law of excluded middle …
10principle of the excluded middle — noun (logic) The principle that a thing must be either one thing or its contradictory • • • Main Entry: ↑principle …
