Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An opposite position; antithesis.
Century Dictionary and Cyclopedia
- n. A placing over against; opposite position; in logic, the mode of inference which proceeds by transposing subject and predicate, antecedent and consequent, or premise and conclusion, with negation of the transposed parts. Thus, the proposition, If the ink will make a black spot, you will not spill it, gives by contraposition, If you will spill it, the ink will not make a black spot.
Wiktionary
- n. logic The statement of the form "if not Q then not P", given the statement "if P then Q".
GNU Webster's 1913
- n. obsolete A placing over against; opposite position.
- n. (Logic) A so-called immediate inference which consists in denying the original subject of the contradictory predicate; e. g.: Every S is P; therefore, no Not-P is S.
Examples
“A second theme, which Ashworth says was the most usual thing to say, is also found in Buridan: additional inferences, such as contraposition, become valid when supplemented by an additional premise asserting that the terms in question are non-empty.”
“Supervaluationism requires rejection of inference rules such as contraposition, conditional proof and reductio ad absurdum (Williamson”
“As I had the occasion to clarify in the address to the Roman Curia of December 22, 2005, an interpretive current, appealing to a supposed "spirit of the Council", intended to establish a discontinuity and even a contraposition between the Church before and the Church after the Council, at times confusing the very objectively existing boundaries between the hierarchical ministry and the responsibility of the lay faithful in the Church.”
“Yes I know, the Mexicans hate us for what Spain did --I don't blame them--but I think the contraposition between the Spanish and Aztec culture must have created a fascinating period.”
“Cardinal Ratzinger, as the prefect of the Congregation for the Doctrine of the Faith, highlighted that "in the Church there is no contrast and contraposition between the institutional dimension and the charismatic dimension, of which the movements are a significant expression," Cardinal Rylko recalled.”
“Father Cattaneo: Between institution and charism there cannot be contraposition -- as there is not between Christ and his Spirit -- but rather complementarity, the putting into action of which corresponds in a particular way to the diocesan bishop.”
“Verification is, or ought to be, more than the mere contraposition of viewpoints by opposing sources.”
“When has Sarah Palin spoken out on a foreign policy issue in contraposition, in opposition to her party?”
“Turner's approach avoids the problem of contraposition by giving causal relations the form”
“While these two types of explanatory activity do not exhaust the varieties of mathematical explanations which occur in practice, the contraposition between local and global captures well the major difference between the two major accounts of mathematical explanation available at the moment, those of Steiner and Kitcher.”
Lists
These user-created lists contain the word ‘contraposition’.
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phrontistery - c
from phrontistery.info
caballine, cabas, cable, caboched, cabochon, caboose, cabotage, cabré, cabrie, cabriole, cabriolet, cacaesthesia and 1298 more...
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Your Mission: Find theTraps
List of words that contain the letter string *trap*. Some are obvious and apparent, such as trapezoid, while others are a bit less apparent, such as contrapuntist, ultraphysical, and intraperitoneal.
trapezoid, contrapuntist, wentletrap, allotetraploid, bootstrap, caltrap, unstrap, Trappist, ultraphysical, trapline, Trapt, autotetraploidy and 195 more...
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contra-
against or opposite; below or beyond
contraband, contrabass, contradiction, contraindication, contrapose, contrast, contraception, contradict, contraceptive, contralto, contraposition, contrary and 1 more...
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Copeaux of Random Palavery
More randomly selected words to add to my various lists of "Random Palavery". "Copeaux" in the sense of bits, bobs, chips, fragments, pieces. Don't ask why my Random Palavery lists consist of 151...
deshoot, land cress, american cress, bank cress, belle isle cress, bermuda cress, early yellowrocket, early wintercress, scurvy cress, locust valley loc..., massively multipl..., local fluff and 139 more...
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words to know
proselytising, proprioception, qualia, indelibly, eristic, mellifluous, perspicacious, concilience, inure, tendentiousness, topos, parochial and 118 more...
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big book gre
abase, abbess, abbey, abbot, abdicate, abdomen, abdominal, abduction, abed, aberration, abet, abeyance and 6691 more...
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Metaflip
Blasted binaries, background pattern inversions, and subtlety awareness.
apophenia, fissiparous, doppelganger, intertextuality, presque vu, unsung, dittology, enantiodromia, pareidolia, silhouette, rorschach, galanty and 151 more...
Tweets
Looking for tweets for contraposition.

whichbe Opposition; contrast. (from Phrontistery) May 25, 2008