-tuple. Once the index established is definitely the set of all all-natural numbers an indexed family is called a sequence. A far more official assertion from the axiom of preference is: the Cartesian solution of every indexed family of nonempty sets is non empty. [ T ] present participle location https://d-ch-v-c-ng51603.livebloggs.com/42452340/considerations-to-know-about-dịch-vụ-đồ-cúng-khai-trương