Question
- From: "zuhair" <zaljohar@xxxxxxxxx>
- Date: 23 Apr 2006 03:30:13 -0700
Hi All
I have a question.
Imagine a bundle of stickes ||||........ , the first stick is at
position zero , the second at position 1, the third at position 2 , ad
infanitum. This bundle can be easily bijected to Peano's
natural numbers beginning from zero N={0,1,2,3,.........}, so it has
cardinality equal to
Aleph-0.
Now image a two dimensional stick bundle as below
..
..
..
|||||.......
|||||........
|||||........
This also can be bijected to N={0,1,2,3,} , this can be made easily in
a zigzag manner as below:
..
.. .
16 . .
15 . . .
7 14 . .
68 13 . .
259 12 . .
13410 11......
So even this two dimensional bundle of stickes has cardinality equal to
Aleph-0 since it can
be bijected to N= {0,1,2,3,.......}
In a similar manner a three dimentional bundle can be imagined to be
bijected to N and thus
has also cardinality equal to Aleph-0.
In reality any n-dimensional bundle of stickes can be easily bijected
to N and thus has
Aleph-0 cardinality.
My question is what if we had an Aleph-0 dimensional bundle of stickes
, then can that
be bijected to N, and how can that be imagined.
Zuhair
.
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