The documentation clearly says sets are unordered, but this bit of code:
{5,2,3,7,7,5,2,3}
Yields:
set([2, 3, 5, 7])
Iterating through {5,2,3,7,7,5,2,3}
also displays the numbers in order.
So which is it: ordered or unordered? Clarification appreciated.