some $QualifedName in expression satisfies
expression
every $QualifedName in expression satisfies
expression
Both return boolean values, true or false
<xsl:template match="weblogs">
<xsl:if test="some $log in log satisfies changesURL">
????
</xsl:if>
</xsl:template>
<xsl:template match="weblogs">
<xsl:if test="every $log in log satisfies url">
????
</xsl:if>
</xsl:template>