Pedro Kröger | 9 Feb 16:18 2009
Picon

Re: unordered list

Francesco Petrogalli <francesco.petrogalli@...> writes:

> Something which can held to the equality between the "unordered list"
> (1 2) and (2 1)?

you can use subsetp to define set-equal:

(defun set-equal (lst1 lst2)
  (and (subsetp lst1 lst2) (subsetp lst2 lst1)))

pedro

Gmane