 Therefore, scholars aligned themselves with either T’oegye or Yulgok’s interpretations depending on their factional affiliation, and if one disagreed with the faction in power it could have serious consequences (think Republicans/Democrats in the U.S.). In this instance, like the Four-Seven Debate, it relates to a series of arguments raised in correspondence between two primary scholars of this time, who were tightly aligned with different factions: Han Wŏn-jin (1682–1751) from Ch’ungch’ŏng province and Yi Kan (1677–1727) from Kyŏnggi province where Seoul is located. Seoh (1977:47) notes that both scholars are