Aggiunto lambda.xsl

diff --git a/helm/style/lambda.xsl b/helm/style/lambda.xsl
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+<?xml version="1.0"?>
+<!-- Copyright (C) 2000, 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/.                                         -->
+
+<!--******************************************************************--> 
+<!-- Lambda Calculus                                                  -->
+<!-- First draft: March 20 2001, Andrea Asperti                       -->
+<!--******************************************************************-->
+
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                              xmlns:m="http://www.w3.org/1998/Math/MathML"
+                              xmlns:helm="http://www.cs.unibo.it/helm">
+
+<!-- ************************** LAMBDA ****************************** -->
+
+<!-- subst -->
+<xsl:template match="APPLY[CONST[(attribute::uri='cic:/Rocq/LAMBDA/Terms/subst_rec.con' or attribute::uri='cic:/Rocq/LAMBDA/Substitution/subst_rec_r.con')] and count(child::*) = 4]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{CONST/@uri}">subst</m:csymbol>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[4]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[CONST[(attribute::uri='cic:/Rocq/LAMBDA/Terms/subst.con' or attribute::uri='cic:/Rocq/LAMBDA/Substitution/subst_r.con')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{CONST/@uri}">subst</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+         <m:ci>0</m:ci>
+        </m:apply>
+</xsl:template>
+
+<!-- lift -->
+<xsl:template match="APPLY[CONST[(attribute::uri='cic:/Rocq/LAMBDA/Terms/lift_rec.con' or attribute::uri='cic:/Rocq/LAMBDA/Substitution/lift_rec_r.con')] and count(child::*) = 4]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{CONST/@uri}">lift_with_base</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+         <xsl:apply-templates select="*[4]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[CONST[(attribute::uri='cic:/Rocq/LAMBDA/Terms/lift.con' or attribute::uri='cic:/Rocq/LAMBDA/Substitution/lift_r.con')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{CONST/@uri}">lift</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<!-- reduction -->
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Reduction/red1.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{MUTIND/@uri}">beta_red1</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Reduction/red.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{MUTIND/@uri}">beta_red</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Reduction/par_red1.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{MUTIND/@uri}">par_beta_red1</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Reduction/par_red.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{MUTIND/@uri}">par_beta_red</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<!-- unmark -->
+
+<xsl:template match="APPLY[CONST[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Marks/unmark.con')] and count(child::*) = 2]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{CONST/@uri}">forgetful</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<!-- boolean algebra of redexes -->
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Redexes/sub.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:subset definitionURL="{MUTIND/@uri}"/>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Redexes/union.ind')] and count(child::*) = 4]" mode="pure">
+       <m:apply>
+         <m:eq definitionURL="{MUTIND/@uri}"/>
+         <m:apply>
+          <m:union definitionURL="{MUTIND/@uri}"/>
+          <xsl:apply-templates select="*[2]" mode="pure"/>
+          <xsl:apply-templates select="*[3]" mode="pure"/>
+         </m:apply>
+         <xsl:apply-templates select="*[4]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Redexes/comp.ind')] and count(child::*) = 3]" mode="pure">
+       <m:apply>
+         <m:csymbol definitionURL="{MUTIND/@uri}">isomorphic</m:csymbol>
+         <xsl:apply-templates select="*[2]" mode="pure"/>
+         <xsl:apply-templates select="*[3]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+<xsl:template match="APPLY[MUTIND[(position()='1' and attribute::uri='cic:/Rocq/LAMBDA/Residuals/residuals.ind')] and count(child::*) = 4]" mode="pure">
+       <m:apply>
+         <m:eq definitionURL="{MUTIND/@uri}"/>
+         <m:apply>
+          <m:setdiff definitionURL="{MUTIND/@uri}"/>
+          <xsl:apply-templates select="*[2]" mode="pure"/>
+          <xsl:apply-templates select="*[3]" mode="pure"/>
+         </m:apply>
+         <xsl:apply-templates select="*[4]" mode="pure"/>
+        </m:apply>
+</xsl:template>
+
+</xsl:stylesheet>
+
+