-tuple. If the index set could be the set of all normal quantities an indexed family is called a sequence. A more official statement with the axiom of selection is: the Cartesian product of every indexed family of nonempty sets is non vacant. If the fear of complete and irresistible https://charliemppnm.canariblogs.com/the-fact-about-dịch-vụ-Đồ-cúng-trọn-gói-that-no-one-is-suggesting-51073167