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  2. Contradiction - Wikipedia

    en.wikipedia.org/wiki/Contradiction

    In traditional logic, a contradiction occurs when a proposition conflicts either with itself or established fact. It is often used as a tool to detect disingenuous beliefs and bias . Illustrating a general tendency in applied logic, Aristotle 's law of noncontradiction states that "It is impossible that the same thing can at the same time both ...

  3. Square of opposition - Wikipedia

    en.wikipedia.org/wiki/Square_of_opposition

    The origin of the square can be traced back to Aristotle's tractate On Interpretation and its distinction between two oppositions: contradiction and contrariety. However, Aristotle did not draw any diagram; this was done several centuries later by Apuleius and Boethius.

  4. Opposite - Wikipedia

    en.wikipedia.org/wiki/Opposite

    Opposition is a semantic relation in which one word has a sense or meaning that negates or, in terms of a scale, is distant from a related word.Some words lack a lexical opposite due to an accidental gap in the language's lexicon.

  5. Law of noncontradiction - Wikipedia

    en.wikipedia.org/wiki/Law_of_noncontradiction

    In logic, the law of non-contradiction (LNC) (also known as the law of contradiction, principle of non-contradiction (PNC), or the principle of contradiction) states that contradictory propositions cannot both be true in the same sense at the same time, e. g. the two propositions "the house is white" and "the house is not white" are mutually exclusive.

  6. Kant's antinomies - Wikipedia

    en.wikipedia.org/wiki/Kant's_antinomies

    Kant's antinomies are four: two "mathematical" and two "dynamical". They are connected with (1) the limitation of the universe in respect of space and time, (2) the theory that the whole consists of indivisible atoms (whereas, in fact, none such exist), (3) the problem of free will in relation to universal causality, and (4) the existence of a necessary being.

  7. On Contradiction - Wikipedia

    en.wikipedia.org/wiki/On_Contradiction

    On Contradiction (simplified Chinese: 矛盾 论; traditional Chinese: 矛盾論; pinyin: Máodùn Lùn; lit. 'To Discuss Contradiction') is a 1937 essay by the Chinese Communist revolutionary Mao Zedong. Along with On Practice, it forms the philosophical underpinnings of the political ideology that would later become Maoism.

  8. Irresistible force paradox - Wikipedia

    en.wikipedia.org/wiki/Irresistible_force_paradox

    An example of this paradox in eastern thought can be found in the origin of the Chinese word for contradiction (Chinese: 矛盾; pinyin: máodùn; lit. 'spear-shield'). This term originates from a story (see Kanbun § Example) in the 3rd century BC philosophical book Han Feizi. [2]

  9. Opposite (semantics) - Wikipedia

    en.wikipedia.org/wiki/Contrariety

    In lexical semantics, opposites are words lying in an inherently incompatible binary relationship.For example, something that is male entails that it is not female.It is referred to as a 'binary' relationship because there are two members in a set of opposites.