+<?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/. -->
+
+<!--***********************************************************************-->
+<!-- Notational extensions 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 -->
+<!--***********************************************************************-->
+
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:m="http://www.w3.org/1998/Math/MathML">
+
+<xsl:import href="mmlctop.xsl-0.14"/>
+
+
+<!-- *********************************** -->
+<!-- BASE SET OF MATHML CONTENT ELEMENTS -->
+<!-- *********************************** -->
+
+<!-- Logic -->
+
+<xsl:template match = "m:apply[m:eq[1]]">
+ <xsl:variable name="charlength">
+ <xsl:apply-templates select="*[1]" mode="charcount"/>
+ </xsl:variable>
+ <xsl:choose>
+ <xsl:when test="$charlength >= $framewidth">
+ <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">(</m:mo>
+ <xsl:apply-templates select="*[position()=2]"/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ <xsl:for-each select = "*[position()>2]">
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
+ <m:mo>
+ <xsl:if test="m:in/@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="m:in/@id"/>
+ </xsl:attribute>
+ </xsl:if>=</m:mo>
+ <xsl:apply-templates select="."/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </xsl:for-each>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">)</m:mo>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </m:mtable>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:apply-imports/>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+
+<xsl:template match = "m:apply[m:and[1]|m:or[1]
+ |m:geq[1]|m:leq[1]|m:gt[1]|m:lt[1]
+ |m:in[1]|m:intesect[1]|m:union[1]|m:subset[1]
+ |m:prsubset|m:setdiff[1]]">
+ <xsl:variable name="symbol">
+ <xsl:choose>
+ <xsl:when test="m:and[1]">
+ <xsl:value-of select="'∧'"/>
+ </xsl:when>
+ <xsl:when test="m:or[1]">
+ <xsl:value-of select="'∨'"/>
+ </xsl:when>
+ <xsl:when test="m:geq[1]">
+ <xsl:value-of select="'≥'"/>
+ </xsl:when>
+ <xsl:when test="m:leq[1]">
+ <xsl:value-of select="'≤'"/>
+ </xsl:when>
+ <xsl:when test="m:gt[1]">
+ <xsl:value-of select="'>'"/>
+ </xsl:when>
+ <xsl:when test="m:lt[1]">
+ <xsl:value-of select="'< '"/>
+ </xsl:when>
+ <xsl:when test="m:eq[1]">
+ <xsl:value-of select="'='"/>
+ </xsl:when>
+ <xsl:when test="m:in[1]">
+ <xsl:value-of select="'∈'"/>
+ </xsl:when>
+ <xsl:when test="m:subset[1]">
+ <xsl:value-of select="'⊆'"/>
+ </xsl:when>
+ <xsl:when test="m:prsubset[1]">
+ <xsl:value-of select="'⊂'"/>
+ </xsl:when>
+ <xsl:when test="m:intersect[1]">
+ <xsl:value-of select="'⋂'"/>
+ </xsl:when>
+ <xsl:when test="m:union[1]">
+ <xsl:value-of select="'⋃'"/>
+ </xsl:when>
+ <xsl:when test="m:setdiff[1]">
+ <xsl:value-of select="'∖'"/>
+ </xsl:when>
+ </xsl:choose>
+ </xsl:variable>
+ <xsl:variable name="charlength">
+ <xsl:apply-templates select="*[1]" mode="charcount"/>
+ </xsl:variable>
+ <xsl:choose>
+ <xsl:when test="$charlength >= $framewidth">
+ <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">(</m:mo>
+ <xsl:apply-templates select="*[position()=2]"/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ <xsl:for-each select = "*[position()>2]">
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mphantom><m:mtext>__</m:mtext></m:mphantom>
+ <m:mo>
+ <xsl:if test="*[1]/@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="*[1]/@id"/>
+ </xsl:attribute>
+ </xsl:if><xsl:value-of select="$symbol"/></m:mo>
+ <xsl:apply-templates select="."/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </xsl:for-each>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">)</m:mo>
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+ </m:mtd>
+ </m:mtr>
+ </m:mtable>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:apply-imports/>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+<xsl:template match = "m:set">
+ <xsl:choose>
+ <xsl:when test="count(child::*) = 0">
+ <m:mi>
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>∅</m:mi>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:variable name="charlength">
+ <xsl:apply-templates select="*[1]" mode="charcount"/>
+ </xsl:variable>
+ <xsl:choose>
+ <xsl:when test="$charlength >= $framewidth">
+ <xsl:choose>
+ <xsl:when test="name(*[1]) = 'm:bvar'">
+ <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>{</m:mo>
+ <xsl:apply-templates select="*[position()=1]"/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mphantom><m:mtext>{</m:mtext></m:mphantom>
+ <m:mo stretchy="false">|</m:mo>
+ <xsl:apply-templates select="m:condition/*[1]"/>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>}</m:mo>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </m:mtable>
+ </xsl:when>
+ <xsl:otherwise>
+ <m:mtable align="baseline 1" equalrows="false" columnalign="left">
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>{</m:mo>
+ <xsl:apply-templates select="*[position()=1]"/>
+ <xsl:if test="position() != last()">
+ <mo>,</mo>
+ </xsl:if>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ <xsl:for-each select = "*[position()>2]">
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mphantom><m:mtext>{</m:mtext></m:mphantom>
+ <xsl:apply-templates select="."/>
+ <xsl:if test="position() != last()">
+ <mo>,</mo>
+ </xsl:if>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </xsl:for-each>
+ <m:mtr>
+ <m:mtd>
+ <m:mrow>
+ <m:mo stretchy="false">
+ <xsl:if test="@id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>}</m:mo>
+ </m:mrow>
+ </m:mtd>
+ </m:mtr>
+ </m:mtable>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:apply-imports/>
+ </xsl:otherwise>
+ </xsl:choose>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+<xsl:template match = "m:apply[m:card[1]]">
+ <m:mfenced open="|" close="|" stretchy="false">
+ <xsl:if test="($SEM_SW=$SEM_XREF or $SEM_SW=$SEM_XREF_EXT) and @id">
+ <xsl:attribute name="m:xref">
+ <xsl:value-of select="@id"/>
+ </xsl:attribute>
+ </xsl:if>
+ <xsl:apply-templates select="*[2]"/>
+ </m:mfenced>
+</xsl:template>
+
+
+<xsl:template match = "m:eq[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))] | m:neq[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))] | m:lt[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))] | m:gt[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))] | m:leq[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))] | m:geq[((preceding-sibling::*/text()='eq_chain') or (preceding-sibling::*/text()='diseq_chain'))]">
+ <xsl:choose>
+ <xsl:when test="local-name(.) = 'neq'">
+ <xsl:value-of select="'≠'"/>
+ </xsl:when>
+ <xsl:when test="local-name(.) = 'lt'">
+ <xsl:value-of select="'< '"/>
+ </xsl:when>
+ <xsl:when test="local-name(.) = 'gt'">
+ <xsl:value-of select="'>'"/>
+ </xsl:when>
+ <xsl:when test="local-name(.) = 'leq'">
+ <xsl:value-of select="'≤'"/>
+ </xsl:when>
+ <xsl:when test="local-name(.) = 'geq'">
+ <xsl:value-of select="'≥'"/>
+ </xsl:when>
+ <xsl:otherwise>
+ <xsl:value-of select="'='"/>
+ </xsl:otherwise>
+ </xsl:choose>
+</xsl:template>
+
+
+</xsl:stylesheet>
\ No newline at end of file