<xsl:import href="annotatedcont.xsl"/>
-<xsl:key name="id" use="@id" match="LAMBDA|PROD|CAST|REL|SORT|APPLY|VAR|META|CONST|MUTIND|MUTCONSTRUCT|MUTCASE|FIX|COFIX|Definition|Axiom|CurrentProof|InductiveDefinition|Variable"/>
+<xsl:key name="id" use="@id" match="LAMBDA|LETIN|PROD|CAST|REL|SORT|APPLY|VAR|META|CONST|MUTIND|MUTCONSTRUCT|MUTCASE|FIX|COFIX|Definition|Axiom|CurrentProof|InductiveDefinition|Variable"/>
<xsl:include href="basic.xsl"/>
<xsl:include href="set.xsl"/>
<xsl:include href="reals.xsl"/>