Seng-ch’üan [僧詮] (n.d.) (PY Sengquan; Sōsen): A priest of the Three Treatises (San-lun) school in China in the sixth century. He studied its doctrine under Seng-lang, the master of the Three Treatises teachings. He had four main disciples: Fa-lang, Hui-pu, Chih-pien, and Hui-yung. He transmitted the Three Treatises teaching to Fa-lang, who in turn transmitted it to Chi-tsang.