1 (* Copyright (C) 2006, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
28 val empty_subst : substitution
29 val apply_subst : substitution -> Cic.term -> Cic.term
30 val apply_subst_lift : int -> substitution -> Cic.term -> Cic.term
31 val apply_subst_metasenv : substitution -> Cic.metasenv -> Cic.metasenv
32 val ppsubst : ?names:(Cic.name option list) -> substitution -> string
34 int -> Cic.context -> Cic.term -> Cic.term -> substitution ->
36 val flatten_subst : substitution -> substitution
37 val lookup_subst : Cic.term -> substitution -> Cic.term
38 val filter : substitution -> Cic.metasenv -> Cic.metasenv
39 val is_in_subst : int -> substitution -> bool
40 val merge_subst_if_possible:
41 substitution -> substitution ->
43 val concat: substitution -> substitution -> substitution