Mas’ala 5159مختصر المزنيShafi'ivol. 1, p. 397vol. 1, p. 397 فَإِنْ لَمْ يُرِدْ بِهَا يَمِينًا فَلَيْسَتْ بِيَمِينٍ، Read the whole chapterCopy with source On the map: Racing and archeryCompare