“异延”是解构主义的核心概念。它否定“逻各斯中心主义”视野中的与符号意指的等级秩序相关的全部逻辑。这种看似玄妙的符号意义观是如何产生的?它在现代符号学思想中继承了哪些重要的精神资源? “Extensions” are the core concepts of deconstruction. It denies all the logic associated with the hierarchical order of symbolism in the context of “logocentrism.” How does this seemingly mysterious concept of symbolism come into being and what important spiritual resources has it inherited in modern semiotic theory?