Mas’ala 52300المبسوطHanafivol. 22, p. 100vol. 22, p. 100 فَإِنْ ضَمِنَ الْمُضَارِبُ الْأَوَّلُ صَحَّتْ الْمُضَارَبَةُ الثَّانِيَةُ، Read the whole chapterCopy with source On the map: SalesCompare