Talk:Valencia through to Quarters thanks to away goals rule

FHR Summary
Watched game, made notes, wrote article. source used for reference.Dark Squall 01:12, 7 March 2007 (UTC)

CAT request
editprotected Please add the following categories to the article. 14.139.242.195 (talk) 13:48, 29 October 2015 (UTC)
 * 1) Serie A
 * 2) La Liga
 * Well, I've added Category:FC Internazionale Milano. My sense is this would be below the threshold for the leagues, unless one wanted to use the league categories as union categories for the teams in them.  --Pi zero (talk) 13:09, 13 November 2015 (UTC)
 * Ah. Okay, I get it better now.  This is part of the Champions League competition which depends on membership of the teams in the top leagues.  Not sure.  --Pi zero (talk) 01:08, 15 November 2015 (UTC)
 * I think we should consider the connection to Serie A and La Liga too weak to justify category inclusion. We've had tension for years (probably ever since our category hierarchy was set up) over the difference between a category as a place to find articles specific to a topic, and a category as a union of its subcategories.  When the union is very much bigger than the topic, use for union can preclude use for topic, as with Category:North America.  I've still not figured out how to resolve the problem in general, but in this particular case I suggest we should be setting these up for topic use rather than union use.  --Pi zero (talk) 13:19, 8 January 2016 (UTC)