Talk:Zero sharp

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 Field:  Foundations, logic, and set theory

There is a symbol for the sharp sign in unicode: ♯

I am unsure how wise it might be to convert this page to use this character instead of a superscript # (octothorpe)

-- nertzy

Not everyone can see Unicode characters. This is why we do not use Unicode unless absolutely necessary. Dysprosia 07:27, 15 Jul 2004 (UTC)

"The canonical way"[edit]

Which way is the canonical? -- (talk) 04:56, 31 August 2009 (UTC)

Good question, or really, good catch. Strictly speaking there is no single canonical way — there are lots of inessentially different codings. Should be reworded; not going to tackle it right now. Feel free to take a crack at it if you like. --Trovatore (talk) 06:34, 31 August 2009 (UTC)


It was introduced by Solovay (1967), based on the ideas in Silver (1971). I'm impressed, but perhaps that does not read quite as intended. Charles Matthews (talk) 11:34, 1 January 2010 (UTC)


I think we mean order-indescernibles. Perhaps at least the first reference could be changed? ( (talk) 08:57, 11 January 2010 (UTC))

Good point — I added a parenthetical. Maybe there's a lovelier solution available, but this at least addresses the issue. --Trovatore (talk) 09:32, 11 January 2010 (UTC)