语言是思想的符号。
瑞士语言学家索绪尔认为语言是一个能表达思想的符号系统。
Swiss linguist Saussure thought language is a sign system to express thoughts.
我将那些用来表达思想的符号称为命题符号。一个命题就是一个处在对世界的投影关系中的命题符号。
The sign through which we express the thought I call the propositional sign. And the proposition is the propositional sign in its projective relation to the world.
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