主词，主项，主概念：逻辑命题中的一个词，它表示肯定或否定的论题。

Logic The term of a proposition about which something is affirmed or denied.

youdao

主词，主项，主概念：逻辑命题中的一个词，它表示肯定或否定的论题。

Logic The term of a proposition about which something is affirmed or denied.

youdao