On Dec 5, 2011, at 4:24 PM, "Jos Koot" <jos.k...@telefonica.net> wrote:
> If there is a less-than predicate for the elements of the list, the list can > be sorted and things may be speeded up, I think. In fact, if there's a total, antisymmetric relation on the elements of the list, you don't even need to sort the list; you can just use the relation to make sure you don't double-count anything. Stephen Bloch sbl...@adelphi.edu _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users