X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Fnuprl_stylesheets%2Fnuprl_mmlextension.xsl;fp=helm%2Fnuprl_stylesheets%2Fnuprl_mmlextension.xsl;h=0000000000000000000000000000000000000000;hp=f6c1590dfacc047dbb94b0df0a68677b93d226ae;hb=1696761e4b8576e8ed81caa905fd108717019226;hpb=5325734bc2e4927ed7ec146e35a6f0f2b49f50c1

diff --git a/helm/nuprl_stylesheets/nuprl_mmlextension.xsl b/helm/nuprl_stylesheets/nuprl_mmlextension.xsl
deleted file mode 100644
index f6c1590df..000000000
--- a/helm/nuprl_stylesheets/nuprl_mmlextension.xsl
+++ /dev/null
@@ -1,3046 +0,0 @@
-<?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/.                                         -->
-
-<!--***********************************************************************--> 
-<!-- Extension to the XSLT version 0.07 of MathML content to presentation: -->
-<!-- First draft: February 19 2000, Andrea Asperti, Irene Schena           -->
-<!-- Revised: March 3 2000, Irene Schena                                   -->
-<!-- Revised: March 15 2000, Claudio Sacerdoti Coen, Irene Schena          -->
-<!-- Revised: March 21 2000, Irene Schena                                  -->
-<!--***********************************************************************--> 
-
-<!-- NOTE: the namespace declaration has to be done in the stylesheets 
-which generates the toplevel element (see for instance xlink) -->
-<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"
-                              xmlns:xlink="http://www.w3.org/1999/xlink">
-
-<!-- OLD: <xsl:import href="mml2mmlv1_0.xsl"/> -->
-
-<xsl:import href="mmlnotation.xsl"/>
-
-<xsl:import href="mmltheoryextension.xsl"/>
-
-<xsl:key name="sequent_number" use="@id" match="Sequent"/>
-
-<xsl:param name="explodeall" select="false()"/>
-
-<!--***********************************************************************-->
-<!-- Parameter affecting line-breaking                                     -->
-<!--***********************************************************************-->
-
-<xsl:variable name="framewidth" select="35"/> 
-
-<!--***********************************************************************-->
-<!-- Gli oggetti sono stampati come mtext all'interno di una marca toplevel-->
-<!-- math ma al di fuori di semantics. Ora vi sono tanti semantics quanti  -->
-<!-- sono i termini: la presentation per un termine e' generata come primo -->
-<!-- figlio di un semantics e l'originario content viene inserito nel      -->
-<!-- nel secondo figlio di semantics, annotation-xml                       -->
-<!--***********************************************************************-->
-
-<!--**********************-->
-<!--        OBJECTS       -->
-<!--**********************-->
-
-
-<!--<xsl:key name="variable" use="@name" match="Decl"/> -->
-
-<xsl:param name="type" select="'standalone'"/>
-
-<xsl:template match="/">
- <xsl:choose>
-  <xsl:when test="$type = 'standalone'">
-   <xsl:apply-templates select="*"/>
-  </xsl:when>
-  <xsl:otherwise>
-   <to_be_embedded>
-    <xsl:apply-templates select="*"/>
-   </to_be_embedded>
-  </xsl:otherwise> 
- </xsl:choose>
-</xsl:template>
-
-
-<!-- NODE -->
-
- <xsl:template match="Node">
-     <xsl:choose>
-      <xsl:when test="count(Node)=0">    <!-- E' una foglia -->
-       <m:mtable align="baseline 1" equalrows="false" columnalign="left" stretchy="false">
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="red">Sequent <xsl:apply-templates select="Sequent/@id"/>
-	   </m:mtext>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-	<m:mtr>
-        <xsl:if test="*[Decl]">
-         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-          <xsl:for-each select="Sequent/Decl">
-           <m:mtr columnalign="left">
-            <m:mtd columnalign="left">
-             <m:mrow>
-	      <xsl:variable name="num" select="position()"/>
-	      <m:mtext>
-	       <xsl:value-of select="$num"/>)
-	      </m:mtext>
-              <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-	      <xsl:if test="@name">
-	       <m:mo mathcolor="green"><xsl:value-of select="@name"/></m:mo>
-	       <m:mo mathcolor="green" stretchy="false">:</m:mo>
-	      </xsl:if>
-              <xsl:apply-templates select="."/>
-	     </m:mrow>
-            </m:mtd>
-           </m:mtr>
-          </xsl:for-each>
-         </m:mtable>
-        </xsl:if>
-	</m:mtr>
-        <m:mtr>
-         <m:mrow>
-          <m:mtext mathcolor="red" mathvariant="bold">|-</m:mtext>
-         </m:mrow>
-        </m:mtr>
-        <m:mtr>
-         <m:mtd>
-	  <xsl:apply-templates select="Sequent/Goal"/>
-         </m:mtd>
-        </m:mtr>
-	<m:mtr>
-	 <m:mtd>
-	  <m:mrow>
-	   <m:mo mathcolor="red">Rule: </m:mo>
-	   <xsl:choose>
-	   <xsl:when test="Rule[m:apply]">
-	    <m:mo mathcolor="brown"><xsl:value-of select="Rule/m:apply/m:ci"/></m:mo>
-	   </xsl:when>
-	   <xsl:when test="count(Rule)=0">
-	    <m:mi>NESSUNA REGOLA</m:mi>
-	   </xsl:when>
-	   <xsl:otherwise>
-	    <m:mo mathcolor="brown"><xsl:value-of select="Rule/m:ci"/></m:mo>
-	   </xsl:otherwise>
-	   </xsl:choose>
-	  </m:mrow>
-	 </m:mtd>
-        </m:mtr>
-	<m:mspace height="1ex"/>
-       </m:mtable>
-      </xsl:when>
-     
-     <xsl:otherwise>   <!--E' un nodo -->
-     <m:mtable equalrows="false" columnalign="left">
-      <m:mtr>
-       <m:mtable align="baseline 1" equalrows="false" columnalign="left" stretchy="false">
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="red">Sequent <xsl:apply-templates select="Sequent/@id"/>
-	   </m:mtext>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-	<m:mtr>
-        <xsl:if test="*[Decl]">
-         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-          <xsl:for-each select="Sequent/Decl">
-           <m:mtr columnalign="left">
-            <m:mtd columnalign="left">
-             <m:mrow>
-	      <xsl:variable name="num" select="position()"/>
-	      <m:mtext>
-	       <xsl:value-of select="$num"/>)
-	      </m:mtext>
-              <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-	      <xsl:if test="@name">
-	       <m:mo mathcolor="green"><xsl:value-of select="@name"/></m:mo>
-	       <m:mo mathcolor="green" stretchy="false">:</m:mo>
-	      </xsl:if>
-              <xsl:apply-templates select="."/>
-	     </m:mrow>
-            </m:mtd>
-           </m:mtr>
-          </xsl:for-each>
-         </m:mtable>
-        </xsl:if>
-	</m:mtr>
-        <m:mtr>
-         <m:mrow>
-          <m:mtext mathcolor="red" mathvariant="bold">|-</m:mtext>
-         </m:mrow>
-        </m:mtr>
-        <m:mtr>
-         <m:mtd>
-	  <xsl:apply-templates select="Sequent/Goal"/>
-         </m:mtd>
-        </m:mtr>
-	<m:mtr>
-	 <m:mtd>
-	  <m:mrow>
-	   <m:mo mathcolor="red">Rule: </m:mo>
-	   <xsl:choose>
-	   <xsl:when test="Rule[m:apply]">
-	    <m:mo mathcolor="brown"><xsl:value-of select="Rule/m:apply/m:ci"/></m:mo>
-	   </xsl:when>
-	   <xsl:when test="count(Rule)=0">
-	    <m:mi>NESSUNA REGOLA</m:mi>
-	   </xsl:when>
-	   <xsl:otherwise>
-	    <m:mo mathcolor="brown"><xsl:value-of select="Rule/m:ci"/></m:mo>
-	   </xsl:otherwise>
-	   </xsl:choose>
-	  </m:mrow>
-	 </m:mtd>
-        </m:mtr>
-       </m:mtable>
-      </m:mtr>
-      <m:mtr>
-       <m:maction>
-        <xsl:choose>
-	<xsl:when test="count(Node)=1">
-         <m:mi mathcolor="blue" mathvariant="script">Subgoal</m:mi>
-	</xsl:when>
-	<xsl:otherwise>
-         <m:mi mathcolor="blue" mathvariant="script">Subgoals</m:mi>
-	</xsl:otherwise>
-	</xsl:choose>
-        <m:mrow>
-	 <m:mspace width="1em"/>
-         <m:mtable equalrows="false" columnalign="left">
-	  <xsl:for-each select="Node">
-	   <m:mtr>
-	    <xsl:apply-templates select="."/>
-	   </m:mtr>
-	   <m:mspace height="1ex"/>
-	  </xsl:for-each>
-	 </m:mtable>
-	</m:mrow>
-       </m:maction>
-      </m:mtr>
-     </m:mtable>
-     </xsl:otherwise>
-     </xsl:choose>
-</xsl:template>
-
-
-<!-- NuPRLDefinition -->
-
-<xsl:template match="NuPrlDefinition">
- <m:math>
-  <m:mrow>
-   <xsl:apply-templates select="*[1]"/>
-   <m:mo> := </m:mo>
-   <xsl:apply-templates select="*[2]"/>
-  </m:mrow>
- </m:math>
-</xsl:template>
-
-<!-- DEFINITION -->
-
-<xsl:template match="Definition">
-    <m:math>
-     <m:mtable align="baseline 1" equalrows="false" columnalign="left" helm:xref="{@helm:xref}">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>DEFINITION <xsl:value-of select="@name"/>(<xsl:if test="string(./Params) != &quot;&quot;"><xsl:value-of select="Params"/></xsl:if>) OF TYPE</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="type/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>AS</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="body/Node"/>   <!-- body/*[1]"/>-->
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-     </m:mtable>
-    </m:math>
-</xsl:template>
-
-<!-- AXIOM -->
-
-<xsl:template match="Axiom">
-    <m:math>
-     <m:mtable align="baseline 1" equalrows="false" columnalign="left" helm:xref="{@helm:xref}">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>AXIOM <xsl:value-of select="@name"/>(<xsl:if test="string(./Params) != &quot;&quot;"><xsl:value-of select="Params"/></xsl:if>) OF TYPE</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="type/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-     </m:mtable>
-    </m:math>
-</xsl:template>
-
-<!-- UNFINISHED PROOF -->
-
-<xsl:template match="CurrentProof">
-    <m:math>
-     <m:mtable align="baseline 1" equalrows="false" columnalign="left" helm:xref="{@helm:xref}">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>UNFINISHED PROOF <xsl:value-of select="@name"/>(<xsl:if test="string(./Params) != &quot;&quot;"><xsl:value-of select="Params"/></xsl:if>)</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>THESIS:</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="type/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>CONJECTURES:</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <xsl:for-each select="Conjecture">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow helm:xref="{@helm:xref}">
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:for-each select="Decl|Def|Hidden">
-          <xsl:choose>
-           <xsl:when test="name(.)='Decl'">
-            <m:mrow helm:xref="{@helm:xref}">
-             <xsl:choose>
-              <xsl:when test="@name">
-               <m:mi><xsl:value-of select="@name"/></m:mi>
-              </xsl:when>
-              <xsl:otherwise>
-               <m:mi>_</m:mi>
-              </xsl:otherwise>
-             </xsl:choose>
-             <m:mo>:</m:mo>
-             <xsl:apply-templates select="./*[1]"/>
-            </m:mrow>
-           </xsl:when>
-           <xsl:when test="name(.)='Def'">
-            <m:mrow helm:xref="{@helm:xref}">
-             <xsl:choose>
-              <xsl:when test="@name">
-               <m:mi><xsl:value-of select="@name"/></m:mi>
-              </xsl:when>
-              <xsl:otherwise>
-               <m:mi>_</m:mi>
-              </xsl:otherwise>
-             </xsl:choose>
-             <m:mo>:=</m:mo>
-             <xsl:apply-templates select="./*[1]"/>
-            </m:mrow>
-           </xsl:when>
-           <xsl:otherwise>
-            <m:mrow helm:xref="{@helm:xref}">
-             <m:mi>_</m:mi>
-             <m:mo>:?</m:mo>
-             <m:mi>_</m:mi>
-            </m:mrow>
-           </xsl:otherwise>
-          </xsl:choose>
-          <xsl:if test="not (position() = last())">
-           <m:mo>;</m:mo>
-          </xsl:if>
-         </xsl:for-each>
-         <m:mo>|-</m:mo>
-         <m:msub><m:mi>?</m:mi><m:mn><xsl:value-of select="@no"/></m:mn></m:msub>
-         <m:mo>:</m:mo>
-         <xsl:apply-templates select="./Goal/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      </xsl:for-each>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>PROOF:</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="body/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-     </m:mtable>
-    </m:math>
-</xsl:template>
-
-<!-- MUTUAL INDUCTIVE DEFINITION -->
-
-<xsl:template match="InductiveDefinition">
-    <m:math>
-     <m:mtable align="baseline 1" equalrows="false" columnalign="left" helm:xref="{@helm:xref}">
-     <xsl:for-each select="InductiveType">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <xsl:choose>
-         <xsl:when test="position() = 1">
-          <xsl:choose>
-          <xsl:when test="string(./@inductive) = &quot;true&quot;">
-           <m:mtext>INDUCTIVE DEFINITION</m:mtext>
-          </xsl:when>
-          <xsl:otherwise>
-           <m:mtext>COINDUCTIVE DEFINITION</m:mtext>
-          </xsl:otherwise>
-          </xsl:choose>  
-         </xsl:when>
-         <xsl:otherwise>
-          <m:mtext>AND</m:mtext>
-         </xsl:otherwise>
-         </xsl:choose>
-         <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-         <m:mtext><xsl:value-of select="./@name"/>(<xsl:if test="string(../Params) != &quot;&quot;"><xsl:value-of select="../Params"/></xsl:if>)</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow> 
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <m:mtext>[</m:mtext>
-         <xsl:choose>
-         <xsl:when test="string(../Param) != &quot;&quot;">         
-          <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-           <xsl:for-each select="../Param">
-            <m:mtr>
-             <m:mtd>
-              <m:mrow>   
-               <m:mi><xsl:value-of select="./@name"/></m:mi>
-               <m:mo>:</m:mo>
-               <xsl:apply-templates select="*"/>
-              </m:mrow>
-             </m:mtd>
-            </m:mtr>
-           </xsl:for-each>
-            <m:mtr>
-             <m:mtd>
-              <m:mrow>
-               <m:mtext>]</m:mtext>
-              </m:mrow>
-             </m:mtd>
-            </m:mtr>
-          </m:mtable>
-         </xsl:when>
-         <xsl:otherwise>
-          <m:mtext>]</m:mtext>
-         </xsl:otherwise>
-         </xsl:choose>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>OF ARITY</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="./arity/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>BUILT FROM</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <xsl:for-each select="./Constructor">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <xsl:choose>
-         <xsl:when test="position() = 1">
-          <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         </xsl:when>
-         <xsl:otherwise>
-          <m:mtext>|</m:mtext>
-          <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-         </xsl:otherwise>
-         </xsl:choose>
-         <m:mtext><xsl:value-of select="./@name"/> OF</m:mtext>
-         <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-         <xsl:apply-templates select="./*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      </xsl:for-each>
-     </xsl:for-each>
-     </m:mtable>
-    </m:math>
-</xsl:template>
-
-<!-- VARIABLE -->
-
-<xsl:template match="Variable">
-    <m:math>
-     <m:mtable align="baseline 1" equalrows="false" columnalign="left" helm:xref="{@helm:xref}">
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mtext>VARIABLE <xsl:value-of select="@name"/> OF TYPE</m:mtext>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <m:mtr>
-       <m:mtd>
-        <m:mrow>
-         <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-         <xsl:apply-templates select="type/*[1]"/>
-        </m:mrow>
-       </m:mtd>
-      </m:mtr>
-      <xsl:if test="name(*[1])='body'">
-       <m:mtr>
-        <m:mtd>
-         <m:mrow>
-          <m:mtext>AS</m:mtext>
-         </m:mrow>
-        </m:mtd>
-       </m:mtr>
-       <m:mtr>
-        <m:mtd>
-         <m:mrow>
-          <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
-          <xsl:apply-templates select="body/*[1]"/>
-         </m:mrow>
-        </m:mtd>
-       </m:mtr>
-      </xsl:if>
-     </m:mtable>
-    </m:math>
-</xsl:template>	
-		
-
-
-<!-- SEQUENT -->
-<!--
-<xsl:template match="Sequent">
- <xsl:variable name="rowlines">
-  <xsl:for-each select="Decl|Def">
-   <xsl:if test="position() != last()">
-    <xsl:text>none </xsl:text>
-   </xsl:if>
-  </xsl:for-each>
-  <xsl:text>solid</xsl:text>
- </xsl:variable>
- <xsl:variable name="no" select="@no"/>
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-      <!-- PROD *-->
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-            <m:mo mathmathcolor="Blue">&#x2192;</m:mo>
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-             <xsl:variable name="nextp"><xsl:value-of select="*[position()=3]/m:csymbol"/></xsl:variable>
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-        <xsl:apply-templates select="*[position()=2]"/>
-        <m:mo mathcolor="Blue">&#x2192;</m:mo>
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-        <xsl:when test="*[position()=3]/m:csymbol">
-         <xsl:variable name="nextp"><xsl:value-of select="*[position()=3]/m:csymbol"/></xsl:variable>
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-         <xsl:apply-templates select="*[position()=3]"/>
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-        <xsl:if test="$nopar=0">
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-      <!-- TYPE_OF -->
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-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
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-      <!--PRODUCT -->
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-       <xsl:when test="$charlength >= $framewidth">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
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-	 <xsl:apply-templates select="m:bvar/m:type"/>
-	 <m:mtext>.</m:mtext>
-	 <xsl:apply-templates select="*[position()=3]"/>
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-      <!-- PROD_IND -->
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-       <xsl:when test="$charlength >= $framewidth">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-	 <m:mtr>
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-	    <xsl:apply-templates select="*[position()=3]"/>
-	    <m:mo stretchy="false">)</m:mo>
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-	 <m:mo mathcolor="Blue">x</m:mo>
-	 <xsl:apply-templates select="*[position()=3]"/>
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-      <!-- PAIR -->
-      <xsl:when test="$name='pair'">
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-       <xsl:when test="$charlength >= $framewidth">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
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-	    <m:mo mathcolor="Blue">&lt;</m:mo>
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-	    <m:mtext>, </m:mtext>
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-	    <m:mo mathcolor="Blue">&gt;</m:mo>
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-	 <xsl:apply-templates select="*[2]"/>
-	 <m:mtext>, </m:mtext>
-	 <xsl:apply-templates select="*[3]"/>
-	 <m:mo mathcolor="Blue">&gt;</m:mo>
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-       </xsl:otherwise>
-       </xsl:choose>
-      </xsl:when>
-      <!-- UNION -->
-      <xsl:when test="$name='union'">
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-       <xsl:when test="$charlength >= $framewidth">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
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-	  </m:mtd>
-	 </m:mtr>
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-	 <xsl:apply-templates select="*[2]"/>
-	 <m:mo mathcolor="Blue">+</m:mo>
-	 <xsl:apply-templates select="*[3]"/>
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-       </xsl:choose>
-      </xsl:when>
-      <!-- INL -->
-      <xsl:when test="$name='inl'">
-       <m:mrow>
-        <m:mo stretchy="false" mathcolor="Blue">inl(</m:mo>
-	<xsl:apply-templates select="*[position()=2]"/>
-        <m:mo stretchy="false" mathcolor="Blue">)</m:mo>
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-      <!-- INR -->
-      <xsl:when test="$name='inr'">
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-        <m:mo stretchy="false" mathcolor="Blue">inr(</m:mo>
-        <xsl:apply-templates select="*[position()=2]"/>
-        <m:mo stretchy="false" mathcolor="Blue">)</m:mo>
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-      <!-- AXIOM -->
-      <xsl:when test="$name='Ax'">
-       <m:mo mathcolor="Blue">Ax</m:mo>
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-      <!-- VOID -->
-      <xsl:when test="$name='void'">
-       <m:mo mathcolor="Blue">Void</m:mo>
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-      <!-- ATOM -->
-      <xsl:when test="$name='atom'">
-       <m:mo mathcolor="Blue">Atom</m:mo>
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-      <!-- UNIVERSE -->
-      <xsl:when test="$name='universe'">
-       <m:msub>
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-        <xsl:apply-templates select="m:cn"/>
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-      </xsl:when>
-      <!-- PROP -->
-      <xsl:when test="$name='prop'">
-       <m:msub>
-        <m:mo>P</m:mo>
-	 <xsl:apply-templates select="m:cn"/>
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-      </xsl:when>
-      <!-- EQUAL -->
-      <xsl:when test="$name='equal'">
-       <xsl:choose>
-       <xsl:when test="$charlength >= $framewidth">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
-          <xsl:apply-templates select="*[position()=3]"/>
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-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <m:mo mathcolor="Blue">=</m:mo>
-            <xsl:apply-templates select="*[position()=4]"/>
-           </m:mrow>
-          </m:mtd>
-         </m:mtr>
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <m:mo mathcolor="Blue">&#x02208;</m:mo>
-            <xsl:apply-templates select="*[position()=2]"/>
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-        <m:mo mathcolor="Blue">=</m:mo>
-        <xsl:apply-templates select="*[position()=4]"/>
-        <m:mo mathcolor="Blue">&#x02208;</m:mo>
-        <xsl:apply-templates select="*[position()=2]"/>
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-    <!-- TOKEN  -->
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-      <xsl:apply-templates select="m:ci"/>
-      <m:mo mathcolor="Blue">"</m:mo>
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-    <!-- NIL  -->
-    <xsl:when test="$name='nil'">
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-    <!-- CONS -->
-    <xsl:when test="$name='cons'">
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-     <xsl:when test="$charlength >= $framewidth">
-      <m:mtable align="baseline 1" equalrows="false" columnalign="left">
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-
-<!-- REC -->
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-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
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-                <xsl:apply-templates select="m:type"/>
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-             </m:mtr>
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-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
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-                <xsl:apply-templates select="following-sibling::*[position()=1]"/>
-               </m:mrow>
-              </m:mtd>
-             </m:mtr> 
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-          </m:mtd>
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-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
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-          </m:mtd>
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-        <m:mo>FIX</m:mo>
-        <m:mi><xsl:value-of select="m:ci"/></m:mi>
-        <m:mo stretchy="false">{</m:mo>
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-        <xsl:for-each select="m:bvar"> 
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <m:mi><xsl:value-of select="m:ci"/></m:mi>
-            <m:mo>:</m:mo>
-            <xsl:apply-templates select="m:type"/>
-            <m:mo>:=</m:mo>
-            <xsl:apply-templates select="following-sibling::*[position() = 1]"/>
-            <xsl:if test="position()=last()">
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-         </m:mtr>
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-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
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-            <m:mo>COFIX</m:mo>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <m:mi><xsl:value-of select="m:ci"/></m:mi>
-            <m:mo stretchy="false">{</m:mo>
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-         <m:mtr>
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-            <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-            <xsl:for-each select="m:bvar">
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-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
-                <m:mi><xsl:value-of select="m:ci"/></m:mi>
-                <m:mo>:</m:mo>
-                <xsl:if test="$framewidth > $charlength">
-                 <xsl:apply-templates select="m:type"/>
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-             <xsl:if test="$charlength >= $framewidth">
-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
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-                <xsl:apply-templates select="m:type"/>
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-             <m:mtr>
-              <m:mtd>
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-                <xsl:apply-templates select="following-sibling::*[position() = 1]"/>
-               </m:mrow>
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-             </m:mtr>
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-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
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-       <xsl:otherwise>
-        <m:mo>COFIX</m:mo>
-        <m:mi><xsl:value-of select="m:ci"/></m:mi>
-        <m:mo stretchy="false">{</m:mo>
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">  
-        <xsl:for-each select="m:bvar"> 
-         <m:mtr>
-          <m:mtd>
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-            <m:mo>:</m:mo>
-            <xsl:apply-templates select="m:type"/>
-            <m:mo>:=</m:mo>
-            <xsl:apply-templates select="following-sibling::*[position() = 1]"/>
-            <xsl:if test="position()=last()">
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-      <!-- ***************************************** -->
-      <!-- *********** PROOF ELEMENTS ************** -->
-      <!-- ***************************************** -->
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-           <m:mtr>
-            <m:mtd>
-             <m:mrow>
-              <m:mtext mathcolor="Red">We&#x00a0;can&#x00a0;prove</m:mtext>
-              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-              <!-- the last child is either the expected type, if provided,-->
-              <!-- or the synthesized type.                                -->
-              <xsl:apply-templates select="*[position()=last()]"/>
-              <m:mrow>
-               <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-               <m:mtext mathcolor="Green">(explain)</m:mtext>
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-         <!-- Show details -->
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-          <m:mtr>
-           <m:mtd>
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-             <xsl:apply-templates select="*[position()=2]"/>
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-          <m:mtr>
-           <m:mtd>
-            <m:mrow>
-             <m:mtext mathcolor="Red">we&#x00a0;proved</m:mtext>
-             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
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-          <xsl:if test="*[4]">
-           <m:mtr>
-            <m:mtd>
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-              <m:mtext mathcolor="Red">that&#x00a0;is&#x00a0;equivalent&#x00a0;to</m:mtext>
-              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-              <xsl:apply-templates select="*[position()=4]"/>
-              <xsl:copy-of select="$hidedetails"/>
-             </m:mrow>
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-        </xsl:variable>
-        <xsl:choose>
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-           <xsl:copy-of select="$hidden_details"/>
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-         <xsl:otherwise>
-          <xsl:copy-of select="$shown_details"/>
-         </xsl:otherwise>
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-      </xsl:when>
-      <!-- SIDE_PROOF -->
-      <xsl:when test="$name='side_proof'">
-        <xsl:variable name="test" select="(not($explodeall))"/>
-        <xsl:variable name="hidden_details">
-         <xsl:if test="$test">
-          <!-- Details hided (default) -->
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-           <m:mtr>
-            <m:mtd>
-             <m:mrow>
-              <m:mtext mathcolor="Red">We&#x00a0;can&#x00a0;prove</m:mtext>
-              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-              <!-- the last child is either the expected type, if provided,-->
-              <!-- or the synthesized type.                                -->
-              <xsl:apply-templates select="*[position()=last()]"/>
-              <m:mrow>
-               <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-               <m:mtext mathcolor="Green">(explain)</m:mtext>
-              </m:mrow>
-             </m:mrow>
-            </m:mtd>
-           </m:mtr>
-          </m:mtable>
-         </xsl:if>
-        </xsl:variable>
-        <xsl:variable name="shown_details">
-         <!-- Show details -->
-         <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-          <m:mtr>
-           <m:mtd>
-            <m:mrow>
-             <xsl:apply-templates select="*[position()=2]"/>
-            </m:mrow>
-           </m:mtd>
-          </m:mtr>
-          <xsl:variable name="hidedetails">
-            <m:mrow>
-             <m:mphantom>
-              <m:mtext>_</m:mtext>
-             </m:mphantom>
-             <xsl:if test="$test">
-              <m:mtext mathcolor="Green">(hide&#x00a0;details)</m:mtext>
-             </xsl:if>
-            </m:mrow>
-          </xsl:variable>
-          <m:mtr>
-           <m:mtd>
-            <m:mrow>
-             <m:mtext mathcolor="Red">we&#x00a0;proved</m:mtext>
-             <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-             <xsl:apply-templates select="*[position()=3]"/>
-             <xsl:if test="not(*[4])">
-              <xsl:copy-of select="$hidedetails"/>
-             </xsl:if>
-            </m:mrow>
-           </m:mtd>
-          </m:mtr>
-          <xsl:if test="*[4]">
-           <m:mtr>
-            <m:mtd>
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-              <m:mtext mathcolor="Red">that&#x00a0;is&#x00a0;equivalent&#x00a0;to</m:mtext>
-              <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-              <xsl:apply-templates select="*[position()=4]"/>
-              <xsl:copy-of select="$hidedetails"/>
-             </m:mrow>
-            </m:mtd>
-           </m:mtr>
-          </xsl:if>
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-        </xsl:variable>
-        <xsl:choose>
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-           <xsl:copy-of select="$hidden_details"/>
-           <xsl:copy-of select="$shown_details"/>
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-         </xsl:when>
-         <xsl:otherwise>
-          <xsl:copy-of select="$shown_details"/>
-         </xsl:otherwise>
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-      <!-- LETIN1 -->
-      <xsl:when test="$name='letin1'">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:apply-templates select="*[position()=2]"/>
-           </m:mrow>
-          </m:mtd>
-         </m:mtr>
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:apply-templates select="*[position()=3]"/>
-           </m:mrow>
-          </m:mtd>
-         </m:mtr>
-        </m:mtable>
-      </xsl:when>
-      <xsl:when test="$name='by_induction'">
-       <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="Red">We&#x00a0;prove</m:mtext>
-           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-           <xsl:apply-templates select="../*[3]"/>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="Red">by&#x00a0;induction&#x00a0;on</m:mtext>
-           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-           <xsl:apply-templates 
-            select="*[position()=last()]/*[position()=last()]"/>
-          </m:mrow>
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-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-            <xsl:for-each select="*[position()>3 and not(position()=last())]">
-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
-                <xsl:apply-templates select="."/>
-               </m:mrow>
-              </m:mtd>
-             </m:mtr>
-            </xsl:for-each>
-           </m:mtable>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-       </m:mtable>
-      </xsl:when>
-      <!-- inductive_case -->
-      <xsl:when test="$name='inductive_case'">
-       <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="Red">Case</m:mtext>
-           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-           <xsl:apply-templates select="*[2]"/>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-           <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-            <xsl:if test="*[3]/*[position()>1]">
-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
-                <m:mtext mathcolor="Red">By&#x00a0;induction&#x00a0;hypothesis,&#x00a0;we&#x00a0;have:</m:mtext>
-               </m:mrow>
-              </m:mtd>
-             </m:mtr>
-             <m:mtr>
-              <m:mtd>
-               <m:mrow>
-                <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-                <xsl:for-each select="*[3]/*[position()>1]">
-                 <m:mo stretchy="false">(</m:mo>
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-                 <m:mo stretchy="false">) </m:mo>
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-                 <xsl:apply-templates select="m:type"/>
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-             </m:mtr>
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-            <m:mtr>
-             <m:mtd>
-              <m:mrow>
-               <xsl:apply-templates select="*[4]"/>
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-      <!-- case_lhs  -->
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-       <m:mrow>
-        <xsl:choose>
-         <xsl:when test="count(*)=2">
-          <xsl:apply-templates select="*[2]"/>
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-          <xsl:apply-templates select="*[2]"/>
-          <xsl:for-each select="m:bvar">
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-           <xsl:apply-templates select="*[1]"/>
-           <m:mtext>:</m:mtext>
-           <xsl:apply-templates select="m:type/*[1]"/>
-          </xsl:for-each>
-          <m:mo stretchy="false">)</m:mo>
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-      <!-- false_ind  -->
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-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <xsl:apply-templates select="*[3]"/>
-          </m:mrow>
-         </m:mtd>
-        </m:mtr>
-        <m:mtr>
-         <m:mtd>
-          <m:mrow>
-           <m:mtext mathcolor="Red">Contradiction.</m:mtext>
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-         </m:mtd>
-        </m:mtr>
-       </m:mtable>
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-      <!-- LET-IN -->
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-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
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-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:apply-templates select="*[position()=last()]"/>
-           </m:mrow>
-          </m:mtd>
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-      <!-- LET -->
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-       <m:mtext>(</m:mtext>
-       <xsl:apply-templates select="m:ci"/>
-       <m:mtext>) </m:mtext>
-       <xsl:apply-templates select="*[3]"/>
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-      <!-- RW_STEP -->
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-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:choose>
-             <xsl:when test="name(*[2])='m:apply'">
-              <xsl:apply-templates select="*[2]"/>
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-              <m:mtext>Consider</m:mtext>
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-              <xsl:apply-templates select="*[2]"/>
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-            </xsl:choose>
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-          </m:mtd>
-         </m:mtr>
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <m:mtext>Rewrite</m:mtext>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[3]"/>
-	    <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-	    <m:mtext>with</m:mtext>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[4]"/>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <m:mtext>by</m:mtext>
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-            <xsl:apply-templates select="*[5]"/>
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-         </m:mtr>
-        </m:mtable>
-      </xsl:when>
-      <!-- not existing any more
-      <xsl:when test="$name='thread'">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:choose>
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-              <xsl:apply-templates select="*[last()]"/>
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-          </m:mtd>
-         </m:mtr>
-	 <xsl:apply-templates mode="thread" select="*[(last()-2)]"/> 
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-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <xsl:apply-templates select="*[2]"/>
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-          </m:mtd>
-         </m:mtr>
-         <m:mtr>
-          <m:mtd>
-           <m:mrow>
-            <m:mtext>Then&#x00a0;apply&#x00a0;it&#x00a0;to</m:mtext>
-            <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
-            <xsl:apply-templates select="*[position()>2]"/>
-           </m:mrow>
-          </m:mtd>
-         </m:mtr>
-       </m:mtable>
-      </xsl:when>
-      <!-- AND_IND -->
-      <xsl:when test="$name='and_ind'">
-        <m:mtable align="baseline 1" equalrows="false" columnalign="left">
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-     <xsl:value-of select="$incurrent_length + 3 + string-length()"/>
-    </xsl:otherwise>
-    </xsl:choose>
-</xsl:template>
-
-<xsl:template match="m:ci|m:csymbol" mode="charcount">
-<xsl:param name="incurrent_length" select="0"/> 
-<xsl:param name="nosibling" select="0"/>
-    <xsl:choose>
-    <xsl:when test="$framewidth > ($incurrent_length + string-length()) and ($nosibling = 0)">
-     <xsl:variable name="siblength">
-      <xsl:apply-templates select="following-sibling::*[position()=1]" mode="charcount">
-       <xsl:with-param name="incurrent_length" select="$incurrent_length + string-length()"/>
-      </xsl:apply-templates>
-     </xsl:variable>
-     <xsl:choose>
-     <xsl:when test="string($siblength) = &quot;&quot;">
-      <xsl:value-of select="$incurrent_length + string-length()"/>
-     </xsl:when>
-     <xsl:otherwise>
-      <xsl:value-of select="number($siblength)"/>
-     </xsl:otherwise>
-     </xsl:choose>
-    </xsl:when>
-    <xsl:otherwise>
-     <xsl:value-of select="$incurrent_length + string-length()"/>
-    </xsl:otherwise>
-    </xsl:choose>
-</xsl:template> 
-
-<xsl:template match="*" mode="charcount">
-<xsl:param name="incurrent_length" select="0"/>
-<xsl:param name="nosibling" select="0"/>
- <xsl:choose>
-  <xsl:when test="count(child::*) = 0">
-   <!-- CSC: tremendous bug fixed. An empty element can still have siblings!!! -->
-   <xsl:variable name="siblength"><xsl:apply-templates select="following-sibling::*[position()=1]" mode="charcount"><xsl:with-param name="incurrent_length" select="$incurrent_length"/></xsl:apply-templates></xsl:variable>
-   <xsl:choose>
-    <xsl:when test="string($siblength) = &quot;&quot;">
-     <xsl:value-of select="$incurrent_length"/>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:value-of select="number($siblength)"/>
-    </xsl:otherwise>
-   </xsl:choose>
-  </xsl:when>
-  <xsl:otherwise>
-    <xsl:variable name="childlength"><xsl:apply-templates select="*[position()=1]" mode="charcount"><xsl:with-param name="incurrent_length" select="$incurrent_length"/><xsl:with-param name="nosibling" select="0"/></xsl:apply-templates></xsl:variable>
-    <xsl:choose>
-    <xsl:when test="$framewidth > number($childlength) and ($nosibling = 0)">
-     <xsl:variable name="siblength"><xsl:apply-templates select="following-sibling::*[position()=1]" mode="charcount"><xsl:with-param name="incurrent_length" select="$childlength"/></xsl:apply-templates></xsl:variable>
-     <xsl:choose>
-     <xsl:when test="string($siblength) = &quot;&quot;">
-      <xsl:value-of select="number($childlength)"/>
-     </xsl:when>
-     <xsl:otherwise>
-      <xsl:value-of select="number($siblength)"/>
-     </xsl:otherwise>
-     </xsl:choose>
-    </xsl:when>
-    <xsl:otherwise>
-     <xsl:value-of select="number($childlength)"/>
-    </xsl:otherwise>
-    </xsl:choose>
-  </xsl:otherwise>
- </xsl:choose>
-</xsl:template>
-
-</xsl:stylesheet> 
-