2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
14 module type Comparable =
17 val is_eq : t -> t -> bool
22 module FotermIndexable : Discrimination_tree.Indexable
23 with type constant_name = C.t and
24 type input = C.t Terms.foterm
26 module ClauseSet : Set.S with type elt = Terms.direction * C.t Terms.unit_clause
28 module DiscriminationTree : Discrimination_tree.DiscriminationTree
29 with type constant_name = C.t
30 and type input = C.t Terms.foterm
31 and type data = ClauseSet.elt and type dataset = ClauseSet.t