This article investigated Mr. Jeong Brothers whole scholarship and thought, because academic studies on Mr. Man-Yang Jeong Brothers as well-known Confucians of the Yeong Nam School is not much and weak. Particularly, discussion on their academic communication with scholars of the Kiho School was built up mainly and how they did affect on Mr. Jeong Brothers thought was examined. Their scholarship and thought can be explained by two axles. One is to succeed the old tradition of Discipline of Toegye in the Yeong Nam School, the other is to overpass the tradition of Discipline of Toegyego, expand its extension and undergo its limitation. The scholars, who drawn one scholarship two parts of different disciplines and played the role of the bridge between the Yeong Nam Schoo and the Kiho Schoo, are Mr. Jeong Brothers. In this regard, the academic and idea communication with scholars of the Kiho School, Mr. Lee Hyeong-Sang, the South emigrated scholars who moved the South Province from Seoul, etc. extensively have an effect on them. It is a particular in the history of Confucian that the scholars, Mr. Jeong Brothers who keep aloof from he different ideologies and search for the truth, were produced in the Yeong Nam Province.
Ⅱ. 학문 역정과 ‘退溪學的 전통’의 계승
Ⅲ. 塤叟․篪叟 思想의 특성과 학문적 교류