Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
논리학에서 중명사는 두 개의 극단적인 명제 사이의 관계를 설명합니다.nonrihakeseo jungmyeongsaneun du gaeui geukdanjeogin myeongje saiui gwangyeul seolmyeonghamnida.In logic, the middle term explains the relationship between two extreme propositions.