argument (n.)youdaoicibaDictYouDict[argument 词源字典]
early 14c., "statements and reasoning in support of a proposition," from Old French arguement "reasoning, opinion; accusation, charge" (13c.), from Latin argumentum "evidence, ground, support, proof; a logical argument," from arguere "to argue" (see argue). Sense passed through "subject of contention" to "a quarrel," a sense formerly attached to argumentation.[argument etymology, argument origin, 英语词源]
logic (n.)youdaoicibaDictYouDict
mid-14c., "branch of philosophy that treats of forms of thinking," from Old French logique (13c.), from Latin (ars) logica, from Greek logike (techne) "reasoning (art)," from fem. of logikos "pertaining to speaking or reasoning," from logos "reason, idea, word" (see logos). Meaning "logical argumentation" is from c. 1600.