From 07fa5c704b876f1e84af3013de37a9fa269c1d86 Mon Sep 17 00:00:00 2001
From: Andrea Asperti <andrea.asperti@unibo.it>
Date: Thu, 25 Jan 2001 11:17:25 +0000
Subject: [PATCH] ExT_ind implemented. The corresponding content element is the
 csymbol ext_ind.

---
 helm/style/mmlextension.xsl | 43 +++++++++++++++++++++++++++++++++++++
 helm/style/proofs.xsl       | 23 ++++++++++++++++++--
 2 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/helm/style/mmlextension.xsl b/helm/style/mmlextension.xsl
index 24c4bdbe5..5537076fb 100644
--- a/helm/style/mmlextension.xsl
+++ b/helm/style/mmlextension.xsl
@@ -1098,6 +1098,49 @@
          </m:mtr>
         </m:mtable>
       </xsl:when>
+      <xsl:when test="$name='ex_ind'">
+        <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]"/>
+             </xsl:when>
+             <xsl:otherwise>
+              <m:mtext>Consider </m:mtext>
+              <xsl:apply-templates select="*[2]"/>
+             </xsl:otherwise>
+            </xsl:choose>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mtext>Let</m:mtext>
+           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+           <xsl:apply-templates select="*[3]"/>
+           <m:mtext>:</m:mtext>
+           <xsl:apply-templates select="*[4]"/>
+           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+           <m:mtext>such that</m:mtext>
+           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+           <m:mtext>(</m:mtext>
+            <xsl:apply-templates select="*[5]"/>
+           <m:mtext>)</m:mtext>
+           <m:mphantom><m:mtext>_</m:mtext></m:mphantom>
+           <xsl:apply-templates select="*[6]"/>
+          </m:mtd>
+         </m:mtr>
+         <m:mtr>
+          <m:mtd>
+           <m:mrow>
+            <xsl:apply-templates select="*[7]"/>
+           </m:mrow>
+          </m:mtd>
+         </m:mtr>
+        </m:mtable>
+      </xsl:when>
       <xsl:otherwise>
        <m:ci>ERROR</m:ci>
       </xsl:otherwise>
diff --git a/helm/style/proofs.xsl b/helm/style/proofs.xsl
index 081711c53..6c3375d97 100644
--- a/helm/style/proofs.xsl
+++ b/helm/style/proofs.xsl
@@ -125,6 +125,23 @@
       <xsl:apply-templates mode="pure" select="*[6]"/>
      </m:apply>
     </xsl:when>
+    <!-- exT_ind -->
+    <xsl:when test="name()= 'APPLY' and CONST[
+ attribute::uri='cic:/Coq/Init/Logic_Type/exT_ind.con'] 
+ and count(child::*) = 6 
+ and name(*[5])='LAMBDA' 
+ and name(*[5]/target/*[1])='LAMBDA'"> 
+     <m:apply helm:xref="{@id}">
+      <m:csymbol>ex_ind</m:csymbol>
+      <xsl:apply-templates mode="noannot" select="*[6]"/>
+      <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
+      <xsl:apply-templates mode="pure" select="*[5]/source/*"/>
+      <m:ci><xsl:call-template name="insert_subscript"><xsl:with-param name="node_value"><xsl:value-of select="*[5]/target/LAMBDA/target/@binder"/></xsl:with-param></xsl:call-template></m:ci>
+      <xsl:apply-templates mode="pure" select="*[5]/target/LAMBDA/source/*"/>
+      <xsl:apply-templates mode="noannot" select="*[5]/target/LAMBDA/target/*"/>
+     </m:apply>
+    </xsl:when>
+    <!-- Threads -->
     <!-- <xsl:when test="count(*[@id = //InnerTypes/TYPE/@of]) = 1"> -->
     <xsl:when test="count(*[@sort='Prop' and (name(.)='LAMBDA' or name(.)='LETIN' or name(.)='APPLY' or name(.)='MUTCASE' or name(.)='FIX' or name(.)='COFIX')]) = 1">
      <m:apply helm:xref="{@id}">
@@ -177,8 +194,10 @@
      <xsl:apply-templates mode="thread" select="*[5]"/>
    </xsl:when>
 <!--**** Patch temporanea, per il problema dei threads ***-->
-<xsl:when test="(name()= 'APPLY' and CONST[
- attribute::uri='cic:/Coq/Init/Logic/Conjunction/and_ind.con'] 
+<xsl:when test="(name()= 'APPLY' and 
+ (CONST[attribute::uri='cic:/Coq/Init/Logic/Conjunction/and_ind.con']
+  or
+   CONST[attribute::uri='cic:/Coq/Init/Logic_Type/exT_ind.con'])
  and count(child::*) = 6 
  and name(*[5])='LAMBDA' 
  and name(*[5]/target/*[1])='LAMBDA')
-- 
2.39.2