What is the ruling of Islamic law concerning a man who divorced his wife with a first repudiation, then told her, "You are thrice divorced if you do not return the remaining [money] at this very moment," after her son took money from his funds, knowing that the first repudiation occurred because he swore an oath of divorce that he would travel?

As for the first oath, it is counted as one divorce, and he may take her back as long as she is within her waiting period ('iddah). As for the second oath, it is not explicit, and his swearing by triple divorce if she does not return the remaining money to him incurs a single divorce if she does not do so. Ibn Taymiyyah holds that an oath of divorce in this situation necessitates expiation for an oath.