Contraposition


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Contraposition

 

the law of traditional logic that holds that if from a certain proposition A there follows the proposition B, then from the negation of the proposition B follows the negation of the proposition A (or in the language of conditional propositions: from the truth of the proposition “If A, then B” follows the truth of the proposition “If not B ?, then not- A”).

REFERENCES

Church, A. Vvedenie v matematicheskuiu logiku. Moscow, 1960. (Translated from English.)
Tarski, A. Vvedenie v logiku i metodologiiu deduktivnykh nauk. Moscow, 1948. (Translated from English.)
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
In the fifth factor, preferences for the best stage of life are contrapositioned, the phases of childhood and old age on one side and the adolescence on the other.
Thus, there are no political and normative claims that could be made to the systemic institutions or utilized as a contraposition to these institutions, because problems concerning status quo are determined by the non-compliance with the systemic institutional rules and practices.
Contraposition with dancers from the Clarke School for the Deaf, Chennai.
(66) There is in his writings a reiteration of contrapositions between "us" and "them." This contraposition reflects the distinction he underlines between Western civilization (including both capitalism and communism) vs.
The first conflict could be considered an inherent contraposition. Time is generally considered a key issue in product development projects why any methods used in the process must be efficient and provide value for the resources allocated.
This contraposition will remain a constant of the hidden dialogue between the two: as Agamben develops his concepts of infancy, Voice, and potentiality, Derrida's displacement of presence, differance--which Attell addresses in a reading of Speech and Phenomena (1967) among other texts--becomes for Agamben the sign of the incapacity of western thought to go beyond the threshold of metaphysics.
Importantly, negation by default does not offer any derivation (by contraposition).
It would seem that French plays the role of a "nurturing linguistic mother" in contraposition to the "severe linguistic English mother." As Huston refers to a dialogue with her mother, she says: "...
This experience allows us to elucidate the real application of the contraposition to an economic and political system that aims to the destructuring of autonomous and communitarian forms of organization.
In Guccini there is no contraposition between his life in the osterie with Snoopy and Linus and his internal dialogue with Descartes, Borges and Khayyam; they are all part of the same world, evoked through Guccini's poetry at the end of the night.