理論

N1 弁論 benron discussion, debate, argument N1 無論 muron of course, naturally N1 目論見 mokuromi a plan, a scheme, intention N1 理屈 rikutsu theory, reason N1 理性 risei reason, sense N2 ～論 ～ron theory N2 概論 gairon introduction, general remark N2 原理 genri principle, theory, fundamental truth N2 合理 gouri rational

N4 理 ri / kotowari logic, arrangement, reason N3 論 ron / agetsura.u argument, discourse, argumentation