Warp wrote:

>   Yet, even the counter-intuitive quantum phenomena can be subject to
> mathematical formulation.

A closed set can also be an open set.

It is possible to construct a 2D set of points such that each point 
simultaneously touches three other connected sets.

A propper class is a collection of things larger than any possible set.

Mathematics is *littered* with utterly counter-intuitive things. ;-)

[And people wonder why mathematicians are so pedantic about everything. 
If YOU worked with something so unpredictable, you'd be cautious too...]

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

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