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KEY: Contradiction.
SYN: Repugnance, contrariety, inconsistency, incompatibility.
ANT: Harmony, coincidence, concurrence, affirmation, proof, statement.
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KEY: Contraposition.
SYN: Oppositeness, confrontment, facing.
ANT: Side, flank, collateralness.
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KEY: Contrarious, [See CONTENTIOUS].