X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=components%2Ftactics%2FproofEngineReduction.mli;fp=components%2Ftactics%2FproofEngineReduction.mli;h=5bc5f24585326b82d08bc31a17ff3782065abe17;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1 diff --git a/components/tactics/proofEngineReduction.mli b/components/tactics/proofEngineReduction.mli new file mode 100644 index 000000000..5bc5f2458 --- /dev/null +++ b/components/tactics/proofEngineReduction.mli @@ -0,0 +1,73 @@ +(* Copyright (C) 2002, HELM Team. + * + * This file is part of HELM, an Hypertextual, Electronic + * Library of Mathematics, developed at the Computer Science + * Department, University of Bologna, Italy. + * + * HELM is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * HELM is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with HELM; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + * + * For details, see the HELM World-Wide-Web page, + * http://cs.unibo.it/helm/. + *) + +exception Impossible of int +exception ReferenceToConstant +exception ReferenceToVariable +exception ReferenceToCurrentProof +exception ReferenceToInductiveDefinition +exception WrongUriToInductiveDefinition +exception RelToHiddenHypothesis +exception WrongShape +exception AlreadySimplified +exception WhatAndWithWhatDoNotHaveTheSameLength;; + +(* Replaces "textually" in "where" every term in "what" with the corresponding + term in "with_what". The terms in "what" ARE NOT lifted when binders are + crossed. The terms in "with_what" ARE NOT lifted when binders are crossed. + Every free variable in "where" IS NOT lifted by nnn. *) +val replace : + equality:('a -> Cic.term -> bool) -> + what:'a list -> with_what:Cic.term list -> where:Cic.term -> Cic.term + +(* Replaces in "where" every term in "what" with the corresponding + term in "with_what". The terms in "what" ARE lifted when binders are + crossed. The terms in "with_what" ARE lifted when binders are crossed. + Every free variable in "where" IS NOT lifted by nnn. + Thus "replace_lifting_csc 1 ~with_what:[Rel 1; ... ; Rel 1]" is the + inverse of subst up to the fact that free variables in "where" are NOT + lifted. *) +val replace_lifting : + equality:(Cic.context -> Cic.term -> Cic.term -> bool) -> + context:Cic.context -> + what:Cic.term list -> with_what:Cic.term list -> where:Cic.term -> Cic.term + +(* Replaces in "where" every term in "what" with the corresponding + term in "with_what". The terms in "what" ARE NOT lifted when binders are + crossed. The terms in "with_what" ARE lifted when binders are crossed. + Every free variable in "where" IS lifted by nnn. + Thus "replace_lifting_csc 1 ~with_what:[Rel 1; ... ; Rel 1]" is the + inverse of subst up to the fact that "what" terms are NOT lifted. *) +val replace_lifting_csc : + int -> equality:(Cic.term -> Cic.term -> bool) -> + what:Cic.term list -> with_what:Cic.term list -> where:Cic.term -> Cic.term + +(* This is like "replace_lifting_csc 1 ~with_what:[Rel 1; ... ; Rel 1]" + up to the fact that the index to start from can be specified *) +val replace_with_rel_1_from : + equality:(Cic.term -> Cic.term -> bool) -> + what:Cic.term list -> int -> Cic.term -> Cic.term +val simpl : Cic.context -> Cic.term -> Cic.term +val unfold : ?what:Cic.term -> Cic.context -> Cic.term -> Cic.term