Re: Ultimate debunking of Cantor's Theory
- From: Virgil <virgil@xxxxxxxxxxx>
- Date: Sun, 15 Jul 2007 23:32:52 -0600
In article <1184553192.373756.80920@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Calvin <crice5@xxxxxxxxxxxxxx> wrote:
On Jul 15, 10:24 pm, Calvin <cri...@xxxxxxxxxxxxxx> wrote:
On Jul 15, 10:13 pm, "Stephen J. Herschkorn" <sjhersc...@xxxxxxxxxxxx>
wrote:
I think you mistook the objection. The objection was to the fact that
your construction of the set of natural numbers used circular logic.
Yes, I suppose by that you mean that there can't be a
sequence 1,2,3,... without first having the natural
numbers.
But supposed I hadn't mentioned a sequence, and had just
defined the set of natural numbers as {1,1+1,1+1+1,...).
That wouldn't be circular, would it? I know that is not
accepted set notation, but I think my meaning is clear.
Or take the von Neumann definition of the naturals in which 0 is {},
1 is {{}} = {0}, and, recursively, for each natural n, the next is
successor(n) = (n union {n}).
So that the cardinality of every natural is the number of its
predecessors, and no natural is forced to be a member of itself.
.
- References:
- Re: Ultimate debunking of Cantor's Theory
- From: Calvin
- Re: Ultimate debunking of Cantor's Theory
- From: Virgil
- Re: Ultimate debunking of Cantor's Theory
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- Re: Ultimate debunking of Cantor's Theory
- From: Virgil
- Re: Ultimate debunking of Cantor's Theory
- From: Albrecht
- Re: Ultimate debunking of Cantor's Theory
- From: Don Stockbauer
- Re: Ultimate debunking of Cantor's Theory
- From: WM
- Re: Ultimate debunking of Cantor's Theory
- From: Calvin
- Re: Ultimate debunking of Cantor's Theory
- From: Rotwang
- Re: Ultimate debunking of Cantor's Theory
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- Re: Ultimate debunking of Cantor's Theory
- From: Stephen J. Herschkorn
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