Mas’ala 5472مختصر المزنيShafi'ivol. 1, p. 420vol. 1, p. 420 لِأَنَّهُ مِنْ الشَّرْطِ أَنْ لَا يَخْتَبِرَ عَمَلَهُ قَالَ: Read the whole chapterCopy with source On the map: The permitted and the forbiddenCompare