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Topic: Matheology § 224
Replies: 84   Last Post: Apr 20, 2013 4:43 PM

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Frederick Williams

Posts: 2,164
Registered: 10/4/10
Re: Matheology S 224
Posted: Apr 20, 2013 5:44 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Nam Nguyen wrote:
>
> On 19/04/2013 5:55 AM, Frederick Williams wrote:

> > Nam Nguyen wrote:
> >>
> >> On 18/04/2013 7:19 AM, Frederick Williams wrote:


>
> >
> >>> Also, as I remarked elsewhere, "x e S' /\ Ay[ y e S' -> y e S]" doesn't
> >>> express "x is in a non-empty subset of S".

> >>
> >> Why?

> >
> > It says that x is in S' and S' is a subset of S.

>
> How does that contradict that it would express "x is in a non-empty
> subset of S", in this context where we'd borrow the expressibility
> of L(ZF) as much as we could, as I had alluded before?


You really are plumbing the depths. To express that x is non-empty you
have to say that something is in x, not that x is in something.

--
When a true genius appears in the world, you may know him by
this sign, that the dunces are all in confederacy against him.
Jonathan Swift: Thoughts on Various Subjects, Moral and Diverting


Date Subject Author
4/12/13
Read Re: Matheology § 224
Alan Smaill
4/12/13
Read Re: Matheology § 224
namducnguyen
4/12/13
Read Re: Matheology § 224
Frederick Williams
4/12/13
Read Re: Matheology § 224
fom
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
fom
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
fom
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology S 224
Jesse F. Hughes
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
Peter Percival
4/14/13
Read Re: Matheology S 224
fom
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
fom
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
fom
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
Jesse F. Hughes
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
Jesse F. Hughes
4/14/13
Read Re: Matheology S 224
namducnguyen
4/16/13
Read Re: Matheology S 224
namducnguyen
4/16/13
Read Re: Matheology S 224
namducnguyen
4/16/13
Read Re: Matheology S 224
Jesse F. Hughes
4/16/13
Read Re: Matheology S 224
namducnguyen
4/16/13
Read Re: Matheology S 224
fom
4/17/13
Read Re: Matheology S 224
namducnguyen
4/17/13
Read Re: Matheology S 224
fom
4/17/13
Read Re: Matheology S 224
namducnguyen
4/17/13
Read Re: Matheology S 224
Jesse F. Hughes
4/17/13
Read Re: Matheology S 224
Jesse F. Hughes
4/17/13
Read Re: Matheology S 224
namducnguyen
4/20/13
Read Re: Matheology S 224
namducnguyen
4/17/13
Read Re: Matheology S 224
Frederick Williams
4/17/13
Read Re: Matheology S 224
Frederick Williams
4/17/13
Read Re: Matheology S 224
fom
4/17/13
Read Re: Matheology S 224
Frederick Williams
4/17/13
Read Re: Matheology S 224
fom
4/17/13
Read Re: Matheology S 224
fom
4/18/13
Read Re: Matheology S 224
namducnguyen
4/18/13
Read Re: Matheology S 224
Frederick Williams
4/18/13
Read Re: Matheology S 224
namducnguyen
4/19/13
Read Re: Matheology S 224
Frederick Williams
4/19/13
Read Re: Matheology S 224
namducnguyen
4/20/13
Read Re: Matheology S 224
Frederick Williams
4/19/13
Read Re: Matheology S 224
Frederick Williams
4/19/13
Read Re: Matheology S 224
namducnguyen
4/20/13
Read Re: Matheology S 224
Frederick Williams
4/14/13
Read Re: Matheology S 224
Jesse F. Hughes
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
Jesse F. Hughes
4/14/13
Read Re: Matheology S 224
namducnguyen
4/14/13
Read Re: Matheology S 224
Peter Percival
4/15/13
Read Re: Matheology § 224
Peter Percival
4/14/13
Read Re: Matheology § 224
namducnguyen
4/14/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Frederick Williams
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/15/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
fom
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Frederick Williams
4/14/13
Read Re: Matheology § 224
Frederick Williams
4/14/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
Peter Percival
4/13/13
Read Re: Matheology § 224
namducnguyen
4/13/13
Read Re: Matheology § 224
namducnguyen

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