Talk:Blackboard bold

What is all that stuff with & supe at the end of the article. It is an incomplete sentence and my browser (MSIE5) displays the & supe as empty boxes. Can I delete it? -- SGBailey 2003-09-17

They appear as letters in Mozilla, so I don't think they should be deleted. In IE6, I see squares but no supes. Angela 22:19, Sep 17, 2003 (UTC)

The article used to end with:

Note that P ⊆ N ⊆ Z ⊆ Q ⊆ (A ∩ R) ⊆ R ⊆ C ⊆ H ⊆ O ⊆ S.

Ah yes, an interesting math fact. We are duly impressed. But completely off-topic!
—Herbee 01:13, 2004 Feb 25 (UTC)

I disagree. It helps put the symbols into context. -- Tarquin 09:19, 25 Feb 2004 (UTC)

It fails at that. The symbols that are 'put into context' aren't even Bbb. Better a good reference (e.g., to Number) than this bad example.

—Herbee 16:39, 2004 Feb 25 (UTC)

I agree that it is off-topic and should be deleted. --Zero 09:26, 25 Feb 2004 (UTC)

It's not off-topic. It makes it clear that most of the common usages of blackboard bold are related to one another. --Zundark 10:58, 25 Feb 2004 (UTC)

The Number article has a simplified version of the statement. Interestingly, the Number article tries to explain Blackboard bold, while the Blackboard bold article tries to explain the number system. Exchanging the two would be most appropriate, I think.
—Herbee 13:45, 2004 Feb 25 (UTC)

Category:Set theory

Wouldn't something like "Mathematical notation" be better here? I see no connection to set theory, to be honest. Prumpf 23:07, 7 Sep 2004 (UTC)

"Missing" Letters

Anyone want to comment on why the letters I, L, M, U, V, W, X, & Y aren't listed? I realize that it's probably because they aren't used, but is there anything to add to that? Should some mention be made in the text? 14:16, 24 Jun 2005 (UTC)

Great job

This article is awesome - everything I've ever wanted to know about blackboard bold. I find the origin of Z's name most interesting. I removed references to Wikipedia, since Wikipedia's use (or lack thereof) of blackboard bold isn't particularly notable, and this also violates Wikipedia: Avoid self-reference. I also used math tags for the controversial note at the bottom, because IE (used by most of our readers) doesn't render ⊆. Good job everyone. Deco 22:13, 14 July 2005 (UTC)[reply]