[Machine] The Messenger of Allah ﷺ said, "Muslims are bound by their conditions, and reconciliation is permissible among them." This hadith is narrated by dwellers of Madinah and they did not exclude it. This is also an established principle in the book (the Quran). It is supported by a testimony from the hadith of Aisha and Anas ibn Malik, but it was not verified, and it is weakened by An-Nasa'i and other narrators.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ «الْمُسْلِمُونَ عَلَى شُرُوطِهِمْ وَالصُّلْحُ جَائِزٌ بَيْنَ الْمُسْلِمِينَ» رُوَاةُ هَذَا الْحَدِيثِ مَدَنِيُّونَ وَلَمْ يُخَرِّجَاهُ وَهَذَا أَصْلٌ فِي الْكِتَابِ «وَلَهُ شَاهِدٌ مِنْ حَدِيثِ عَائِشَةَ وَأَنَسِ بْنِ مَالِكٍ لم يصححه وكثير ضعفه النسائي ومشاه غيره