لِيُبَيِّنَ لَهُمُ ٱلَّذِى يَخْتَلِفُونَ فِيهِ وَلِيَعْلَمَ ٱلَّذِينَ كَفَرُوٓا۟ أَنَّهُمْ كَانُوا۟ كَـٰذِبِينَ
Liyubaiyina lahumul lazee yakhtalifoona feehi wa liya'lamal lazeena kafarooo annahum kaanoo kaazibeen
in order to make clear for them what they have differed about and so that the disbelievers may realize that what they said was false.
so that he may make clear to them what they differed over, and so that those who denied may know that they were liars.