Fiqh of the Four Schools Search for a mas’ala in the schools’ booksCtrl K
Mas’ala 90المهذبShafi'ivol. 1, p. 169vol. 1, p. 169

وَإِنْ رَأَى حَيَوَانًا يَبُولُ فِي مَاءٍ ثُمَّ وَجَدَهُ مُتَغَيِّرًا وَجَوَّزَ أَنْ يَكُونَ تَغَيُّرُهُ بِالْبَوْلِ لَمْ يَتَوَضَّأْ بِهِ لِأَنَّ الظاهر أن تغيره من البول

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Its commentaries

المجموع شرح المهذبal-Nawawi

its words on this mas’ala come with mas’ala 89 before it

A number in a circle: a mas’ala the commentary adds, numbered through it. In bold: the text’s own words inside the commentary.