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- Law_of_excluded_middle abstract "In logic, the law of excluded middle (or the principle of excluded middle) is the third of the three classic laws of thought. It states that for any proposition, either that proposition is true, or its negation is true.The law is also known as the law (or principle) of the excluded third, in Latin principium tertii exclusi. Yet another Latin designation for this law is tertium non datur: "no third (possibility) is given".The earliest known formulation is Aristotle's principle of non-contradiction, first proposed in On Interpretation, where he says that of two contradictory propositions (i.e. where one proposition is the negation of the other) one must be true, and the other false. He also states it as a principle in the Metaphysics book 3, saying that it is necessary in every case to affirm or deny, and that it is impossible that there should be anything between the two parts of a contradiction. The principle was stated as a theorem of propositional logic by Russell and Whitehead in Principia Mathematica as:.The principle should not be confused with the principle of bivalence, which states that every proposition is either true or false, and has only a semantical formulation.".
- Law_of_excluded_middle wikiPageExternalLink contradiction.
- Law_of_excluded_middle wikiPageID "17637".
- Law_of_excluded_middle wikiPageRevisionID "596627655".
- Law_of_excluded_middle hasPhotoCollection Law_of_excluded_middle.
- Law_of_excluded_middle subject Category:Articles_containing_proofs.
- Law_of_excluded_middle subject Category:Classical_logic.
- Law_of_excluded_middle subject Category:Theorems_in_propositional_logic.
- Law_of_excluded_middle type Abstraction100002137.
- Law_of_excluded_middle type Communication100033020.
- Law_of_excluded_middle type Message106598915.
- Law_of_excluded_middle type Proposition106750804.
- Law_of_excluded_middle type Statement106722453.
- Law_of_excluded_middle type Theorem106752293.
- Law_of_excluded_middle type TheoremsInPropositionalLogic.
- Law_of_excluded_middle comment "In logic, the law of excluded middle (or the principle of excluded middle) is the third of the three classic laws of thought. It states that for any proposition, either that proposition is true, or its negation is true.The law is also known as the law (or principle) of the excluded third, in Latin principium tertii exclusi.".
- Law_of_excluded_middle label "Law of excluded middle".
- Law_of_excluded_middle label "Lei do terceiro excluído".
- Law_of_excluded_middle label "Prawo wyłączonego środka".
- Law_of_excluded_middle label "Principe du tiers exclu".
- Law_of_excluded_middle label "Principio del tercero excluido".
- Law_of_excluded_middle label "Satz vom ausgeschlossenen Dritten".
- Law_of_excluded_middle label "Tertium non datur".
- Law_of_excluded_middle label "Wet van de uitgesloten derde".
- Law_of_excluded_middle label "Закон исключённого третьего".
- Law_of_excluded_middle label "排中律".
- Law_of_excluded_middle label "排中律".
- Law_of_excluded_middle sameAs Zákon_o_vyloučení_třetího.
- Law_of_excluded_middle sameAs Satz_vom_ausgeschlossenen_Dritten.
- Law_of_excluded_middle sameAs Αρχή_αποκλειόμενου_μέσου.
- Law_of_excluded_middle sameAs Principio_del_tercero_excluido.
- Law_of_excluded_middle sameAs Principe_du_tiers_exclu.
- Law_of_excluded_middle sameAs Tertium_non_datur.
- Law_of_excluded_middle sameAs 排中律.
- Law_of_excluded_middle sameAs 배중률.
- Law_of_excluded_middle sameAs Wet_van_de_uitgesloten_derde.
- Law_of_excluded_middle sameAs Prawo_wyłączonego_środka.
- Law_of_excluded_middle sameAs Lei_do_terceiro_excluído.
- Law_of_excluded_middle sameAs m.04gs1.
- Law_of_excluded_middle sameAs Q468422.
- Law_of_excluded_middle sameAs Q468422.
- Law_of_excluded_middle sameAs Law_of_excluded_middle.
- Law_of_excluded_middle wasDerivedFrom Law_of_excluded_middle?oldid=596627655.
- Law_of_excluded_middle isPrimaryTopicOf Law_of_excluded_middle.