(1) Faculty of Sciences, University of Tunis II, Tunisia;(2) Faculty of Sciences, University of Sousse, Tunisia;(3) Department of Computer Science, University of Ottawa, K1N 6N5 Ottawa, Ontario, Canada
Abstract:
In this paper we investigate the lattice properties of the natural ordering between specifications, which expresses that a specification expresses a stronger requirement than another specification. The lattice-like structure that we uncover is used as a basis for a specification methodology.