This edit should be reverted, but I agree it's useful to mention multisets at some point - preferably before the Russell's Paradox paragraph. -[[User:Foxtrot|Foxtrot]] 14:07, 31 August 2008 (EDT) | This edit should be reverted, but I agree it's useful to mention multisets at some point - preferably before the Russell's Paradox paragraph. -[[User:Foxtrot|Foxtrot]] 14:07, 31 August 2008 (EDT) |