Putting a single negation in front of it will evaluate to true, thus a doublenegation will evaluate to false.
如果在它前面放上一个单否定，就会被求值为真，因此放上一个双否定将被求值为假。
2
This paper discusses some special negative structures in English, such as transferred negation, doublenegation, implied negation, partial negation and entire negation.
本文探讨英语语言中一些特殊的否定结构，如转移否定、双重否定、隐形否定、部分否定和全体否定等。
3
In languages that have negative concord, such as Spanish, Polish and Hungarian, the double negative intensifies the negation.