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
선험성은 경험에 의존하지 않는 지식을 의미합니다.Seonheomseong-eun gyeongheom-e uijonhaji anhneun jiseogeul uimi-hamnida.Apriority refers to knowledge that does not depend on experience.