The Prophet (sallallahu alayhi wa sallam) re-directed al-Yamin (the oath to be sword by the defendant) to the one making the claim to some right.
وَعَنِ ابْنِ عُمَرَ رَضِيَ اَللَّهُ عَنْهُمَا;
«أَنَّ اَلنَّبِيَّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ رَدَّ اَلْيَمِينَ عَلَى طَالِبِ اَلْحَقِّ»
The Prophet (sallallahu alayhi wa sallam) re-directed al-Yamin (the oath to be sword by the defendant) to the one making the claim to some right.
ضعيف. رواه الدارقطني (4 / 213). وقال الذهبي في «التلخيص«متعقبا الحاكم (4 / 100): «أخشى أن يكون الحديث باطلا»
Who passed it on, from Ibn Hajar back to the one who was there.
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