肯定与否定是完全对立的概念。

Affirmative and negative are two entirely opposite concepts.

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

通常的逻辑只涉及静态否定的概念。

Usual logics just deal with the concept of static negation.

youdao

“否定”是一个范围广泛的概念。

The conception of "Negation" has a wide range.

youdao

这种语法概念叫做“否定和谐”。

Thee grammatical concept is called "negative concord".

youdao

这种语法概念叫做“否定和谐”。

Thee grammatical concept is called "negative concord".

youdao