Talk:Upper Closure is Closure Operator

To prevent confusion with the transclusion/subpage technique, it is considered bad practice to have headers comprised of a link to a concept rather than a subpage. While there are undoubtedly still violations to this rule, we have steadily been moving to the new paradigm of referring to concepts in the text rather than in section headings. &mdash; Lord_Farin (talk) 14:32, 26 February 2013 (UTC)