Returns a list with the elements in a specific position of a set.

elements(List, Set)

Given a list with integers left curly bracket i subscript 1 comma... comma i subscript n right curly bracket and a proper set (i.e. integer numbers subscript p, straight integer numbers, integer numbers subscript p divided by q left parenthesis x right parenthesis), returns a list with the i subscript j-th element, j equals 1 comma... comma n, of the set.