## Description warning: * PTX:WARNING: In a section containing subsections, any content that is not inside a subsection needs to be inside an <introduction> and/or <conclusion>. * located at: pretext/book/chapter/section * located within: "numeric" (xml:id), "Numeric" (title)
Description
warning: * PTX:WARNING: In a section containing subsections, any content that is not inside a subsection needs to be inside an and/or .