. . . "逻辑学、形而上学和人类的社会本性" . "Luo ji xue xing er shang xue he ren lei de she hui ben xing" . "Luo ji xue, xing er shang xue he ren lei de she hui ben xing" . "逻辑学, 形而上学和人类的社会本性" . . . "Logic, metaphysics, and the natural sociability of mankind" . "Early works" . . . . . . . . . .