反证

tí chū fǎn zhèng

提出反证

provide disproof

fǎn zhèng bǎi zài yǎn qián tā réng bù néng xiāng xìn

反证摆在眼前，他仍不能相信。

He could not believe with the disproof before his eyes.

méi yǒu fǎn zhèng

没有反证

without disproof

jìn xíng fǎn zhèng

进行反证

use contradiction to prove

fǎn zhèng fǎ

反证法

method of proving by contradiction