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Topic: On the infinite binary Tree
Replies: 64   Last Post: Dec 17, 2012 11:06 AM

 Messages: [ Previous | Next ]
 Zaljohar@gmail.com Posts: 2,665 Registered: 6/29/07
Re: On the infinite binary Tree
Posted: Dec 13, 2012 3:02 PM

On Dec 13, 3:56 pm, WM <mueck...@rz.fh-augsburg.de> wrote:
>
> No? Nearly every real number is undefinable. The measure of definable
> reals is 0. If most reals are non-definable, why must all reals of
> every Cantor list always be definable? If all reals of the list are
> definable, then they belong to a countable set. Then we cannot prove
> uncounatbility. Or can we prove that the set of definable reals is
> uncountable - because it is countable but there are, somewhere else,
> undefinable "reals"?
>
> Regards, WM

Cantor's list do contain non definable reals. Actually some diagonals
of Cantor's are non definable. The bijective function between all
definable reals and the set N of all naturals is NON definable set!

Note: definable is short for "definable by parameter free finite
formula"

Date Subject Author
12/12/12 Zaljohar@gmail.com
12/12/12 mueckenh@rz.fh-augsburg.de
12/12/12 Virgil
12/12/12 mueckenh@rz.fh-augsburg.de
12/12/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 trj
12/13/12 Virgil
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/13/12 Virgil
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/13/12 Virgil
12/13/12 Virgil
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/14/12 mueckenh@rz.fh-augsburg.de
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 Virgil
12/14/12 Zaljohar@gmail.com
12/14/12 Zaljohar@gmail.com
12/15/12 mueckenh@rz.fh-augsburg.de
12/15/12 Virgil
12/14/12 mueckenh@rz.fh-augsburg.de
12/14/12 Tanu R.
12/14/12 Virgil
12/15/12 mueckenh@rz.fh-augsburg.de
12/15/12 Virgil
12/12/12 Virgil
12/13/12 mueckenh@rz.fh-augsburg.de
12/12/12 george
12/13/12 Zaljohar@gmail.com
12/13/12 mueckenh@rz.fh-augsburg.de
12/13/12 george
12/14/12 mueckenh@rz.fh-augsburg.de
12/14/12 Virgil
12/14/12 mueckenh@rz.fh-augsburg.de
12/14/12 Tanu R.
12/14/12 Virgil
12/15/12 mueckenh@rz.fh-augsburg.de
12/15/12 Virgil
12/15/12 Tanu R.
12/14/12 Charlie-Boo
12/14/12 forbisgaryg@gmail.com
12/15/12 ross.finlayson@gmail.com
12/15/12 forbisgaryg@gmail.com
12/15/12 ross.finlayson@gmail.com
12/16/12 forbisgaryg@gmail.com
12/17/12 ross.finlayson@gmail.com
12/16/12 Ciekaw
12/16/12 Virgil