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Topic: Matheology � 263
Replies: 57   Last Post: May 17, 2013 8:52 PM

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Virgil

Posts: 8,833
Registered: 1/6/11
Re: Matheology � 263
Posted: May 17, 2013 2:08 AM
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In article
<9d6b39cd-b349-4d9b-a34e-a759e81cb4ff@ul7g2000pbc.googlegroups.com>,
Graham Cooper <grahamcooper7@gmail.com> wrote:

> On May 17, 11:51 am, Virgil <vir...@ligriv.com> wrote:
> > In article
> > <3fb4082c-a455-47a8-a931-c219fd2fb...@qc10g2000pbb.googlegroups.com>,
> >  Graham Cooper <grahamcoop...@gmail.com> wrote:
> >
> >
> >
> >
> >
> >
> >
> >
> >

> > > On May 17, 10:57 am, Virgil <vir...@ligriv.com> wrote:
> > > > > OK, use
> >
> > > > >    f(1) = { 1 , 3 , 6 }
> > > > >    f(2) = { 1 , 5 , 11 }
> > > > >    f(3) = { 2 , 4 , 6, 8 , 10 , ... }
> > > > >    f(4) = { 4 , 5, 6, 7, 8 }

> >
> > > > >    f(n) = N   |   n>4
> >
> > > > > What is set S?
> >
> > > > Note that there are only 5 subsets of N that ARE in the image of your
> > > > 'f' out of uncountably many subsets of |N to chose from that will be
> > > > S's, i.e., subset of |N but not values of f.

> >
> > > > They are
> > > >       every finite subset of |N having
> > > >          less that 3 members
> > > >          or exactly 4 members,
> > > >          or more than 5 members,
> > > >          or containing either 2, or a natural larger than 8,
> > > >       and every infinite subset of |N other than f(3) and |N.

> >
> > > > Take your pick.
> >
> > `
> >

>
> So Cantor's Method does not work?


Since there are far more sets not in the image of any function from |N
to 2^|N than in its image, why are you so hot to get one in particular?
>
> Your method (white box inspection) does not work for every possible f,
> as such it is of no consequence.


Name one it does not work for!
>
> GIVEN A SPECIFIC f, WHAT IS CANTORS MISSING SET?


If you could pick a subset of |N at random, it would almost certainly
not be in the image of any randomly chosen function.
>
> All your answers are wrong!


They are not in the image of the function you presented, which is all
they are asked to be.
--




Date Subject Author
5/10/13
Read Re: Matheology � 263
Virgil
5/13/13
Read Re: Matheology � 263
Virgil
5/13/13
Read Re: Matheology § 263
Graham Cooper
5/13/13
Read Re: Matheology � 263
Virgil
5/13/13
Read Re: Matheology § 263
Graham Cooper
5/13/13
Read Re: Matheology � 263
Virgil
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil
5/15/13
Read Re: Matheology § 263
Graham Cooper
5/15/13
Read Re: Matheology � 263
Virgil
5/15/13
Read Re: Matheology § 263
Graham Cooper
5/15/13
Read Re: Matheology � 263
Virgil
5/15/13
Read Re: Matheology § 263
Graham Cooper
5/15/13
Read Re: Matheology � 263
Virgil
5/15/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Scott Berg
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology � 263
Virgil
5/16/13
Read Re: Matheology § 263
Graham Cooper
5/17/13
Read Re: Matheology � 263
Virgil
5/17/13
Read Re: Matheology § 263
Graham Cooper
5/17/13
Read Re: Matheology � 263
Virgil
5/17/13
Read Re: Matheology § 263
Graham Cooper
5/17/13
Read Re: Matheology � 263
Virgil
5/17/13
Read Re: Matheology § 263
Graham Cooper
5/17/13
Read Re: Matheology � 263
Virgil
5/17/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology § 263
Graham Cooper
5/14/13
Read Re: Matheology � 263
Virgil

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