Re: Cantor Confusion
- From: David Marcus <DavidMarcus@xxxxxxxxxxxxxx>
- Date: Mon, 25 Dec 2006 14:28:03 -0500
Newberry wrote:
paths edges
level 1: 2 = 2^1 2
level 2: 4 = 2^2 6
level 3: 8 = 2^3 14
level n: 2^n (not sure what the formula is)
Does the ratio edges/paths converge to 2 for n --> infinity?
Yes, as WM is fond of repeating ad nauseum.
It certainly makes it highly couterintutive that there are more paths
then edges although I do not know if it generates a flat contradiction.
Yes, it is counterintuitive (depending on your intuition). No, there is
no contradiction. You can't take limits without justification. Here is a
nice fallacy of WM's from page 5 of
http://www.arxiv.org/pdf/math.GM/0403238: Group the natural numbers
greater than 1 as follows.
(2) (3 4) (5 6 7 8) ...
If we number the groups starting with zero, then there are 2^n numbers
in group n. So, for finite n, we must have
|N| >= |group n| = 2^n.
Now, let n go to infinity to get
aleph_0 >= 2^{aleph_0}.
--
David Marcus
.
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