Darren New wrote:

> Which just goes to show the problem I have with 90% of all matehmatical 
> notation. It's so utterly inconsistent that even something like 
> (f(f(x))) is ambiguous.

Several millennia of mathematical discoveries, all made by different 
people in different places, and apparently several of them discovered 
the same or similar things, but gave them different names - or gave them 
names which clash with existing but inrelated things they didn't know about.

Just for giggles: how many meanings can you find for "normal"?

There's the normal distribution, normal vectors, a normed space...

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