Mas’ala 5165مختصر المزنيShafi'ivol. 1, p. 398vol. 1, p. 398 فَإِنْ قَالَ: أَشْهَدُ بِاَللَّهِ فَإِنْ نَوَى الْيَمِينَ فَهِيَ يَمِينٌ، Read the whole chapterCopy with source On the map: Racing and archeryCompare