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Should we always put hats above operators in all articles? I did it here and I like it, it looks beautiful.. dima (talk) 05:40, 30 December 2007 (UTC)[reply]
Ugh. Ugly as sin. Why? What's the point? Hats are typically used to distinguish one thing from another, e.g. a vector with a hat means the vector is unit length, without the hat, its not. Just using hats everywhere is pointless, its just a cluttering up of the page. User:Linas (talk) 00:32, 2 December 2013 (UTC)[reply]
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