The characteristics and values of Lee Ju-Cheon’s Sinjeunghwanggeuknaepyeon

As a scholar from the late 17th century to the early 18th century, Nakjeo(洛渚) Lee Ju-Cheon(李柱天, 1662~1711) left a commentary called Sinjeunghwanggeuknaepyeon新增皇極內篇 that interpreted and enlarged caichen(蔡沈)’s work Hongbeomhwanggeuknaepyeon洪範皇極內篇. The direct object of new addition was not the whole Hongbeomhwanggeuknaepyeon 洪範皇極內篇, but Hwanggeuknaepyeonsuchongmyeong皇極內 篇數總名 in which Ming’s scholar zhangpin(章品) newly complemented caichen(蔡沈)’s incomplete part. Lee Ju-Cheon made the Sinjeunghwanggeuknaepyeon 新增皇極內篇 by modifying errors and adding new contents in the process of referring to this book. Lee Ju-Cheon’s new addition work might be the result shown when his learning and study of classics contained in Xinglidaquan性理大全 got deepened.