sage.sets
sage.sets.cartesian_product
sage.sets.disjoint_set
sage.sets.disjoint_union_enumerated_sets
sage.sets.family
sage.sets.finite_enumerated_set
sage.sets.finite_set_map_cy
sage.sets.finite_set_maps
sage.sets.integer_range
sage.sets.non_negative_integers
sage.sets.positive_integers
sage.sets.primes
sage.sets.real_set
sage.sets.recursively_enumerated_set
sage.sets.set
sage.sets.set_from_iterator
sage.sets.totally_ordered_finite_set