Answer: dialectic

AnswerCrossword Clue
DIALECTICArt of logical discussion.
DIALECTICMethod of logic.
DIALECTICLogical argumentation
dialecticrelating to discourse or to dialectics / the art of arriving at the truth by disclosing the contradictions in the opponent's argument and overcoming them
dialecticInquiry into metaphysical contradictions and their solutions
dialecticThe existence or action of opposing social forces, concepts, etc
dialecticThe art of investigating or discussing the truth of opinions