src/HOL/Lattice/ROOT.ML

replaced Sign.classes by Sign.all_classes (topologically sorted);
prefer structure Sign over Sorts;
renamed Sorts.project to Sorts.subalgebra;

(*  Title:      HOL/Lattice/ROOT.ML
    ID:         $Id$
    Author:     Markus Wenzel, TU Muenchen

Basic theory of lattices and orders.
*)

time_use_thy "CompleteLattice";