Well thanks for the mathematical restatement of my problem. I had forgotten the proper terms. Searching on those terms generates some interesting results.
However, none of the algo's I have checked will work with generated sequences, or iterable classes, as posited in my first post. While appropriate to the current domain, ie dice. What if you want combinations of extrememely large lists, say 3 sets of 10 mil items. In such a case, I really do want my sets to be generators rather than lists or set objects. This is what had me stumped before, and still has me stumped. -- http://mail.python.org/mailman/listinfo/python-list
