Prototractatus: An Early Version of Tractatus Logico-Philosophicus

Name: Prototractatus: An Early Version of Tractatus Logico-Philosophicus
Author: /author/%E8%B7%AF%E5%BE%B7%E7%BB%B4%E5%B8%8C%C2%B7%E7%BB%B4%E7%89%B9%E6%A0%B9%E6%96%AF%E5%9D%A6_(%E9%80%BB%E8%BE%91%E5%93%B2%E5%AD%A6%E8%AE%BA)