バートランド・ラッセルの記述理論形成の過程--意味論・存在論の見地から

1. There are two semantical principles in The Principles of Mathematics (1903): (1) Every word occurring in a sentence indicates a certain entity, and must have a psychological meaning (indication). (2) A denoting concept denotes a thing or a combination of things and thus has a logical meaning (den... View More