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Vladimir_Nesov comments on Approaching Infinity - Less Wrong Discussion

-1 Post author: Psychohistorian 01 February 2011 08:11AM

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Comment author: Vladimir_Nesov 01 February 2011 09:09:02PM *  0 points [-]

Finite numbers are different than infinite ones.

What's "infinite number" you refer to, for finite numbers to be different from it? (There're infinite cardinals, of course, but that's set theory, a step bigger than flipping the "finite" modifier.)

Comment author: DanielLC 01 February 2011 09:57:23PM 0 points [-]

All of them. Different ones behave in different ways, but none of them behave like finite numbers.

... but that's set theory, a step bigger than flipping the "finite" modifier.

What if I started with finite cardinals?

I think what we'd use for utility is like cardinal numbers, although that's not precisely what it is. There isn't a set of different QALYs. The finite values are more like real numbers. You still talk about how many QALYs, though.

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