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Set Theory Paradox

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  Set Theory Paradox Double-A <double-a3@hush.com> - 2015-11-05 15:19 -0800
    Re: Set Theory Paradox "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-11-05 15:29 -0800
    Re: Set Theory Paradox Sam Wormley <swormley1@gmail.com> - 2015-11-05 17:40 -0600
      Re: Set Theory Paradox Double-A <double-a3@hush.com> - 2015-11-05 16:30 -0800
        Re: Set Theory Paradox Sam Wormley <swormley1@gmail.com> - 2015-11-05 18:41 -0600
          Re: Set Theory Paradox Mahipal <mahipal7638@gmail.com> - 2015-11-06 04:32 -0800
    Re: Set Theory Paradox Poutnik <poutnik4nntp@gmail.com> - 2015-11-06 00:43 +0100
    Re: Set Theory Paradox Fabian Russell <root@localhost.localdomain> - 2015-11-06 01:10 +0000
    Re: Set Theory Paradox pnalsing@gmail.com - 2015-11-05 17:37 -0800
      Re: Set Theory Paradox R Kym Horsell <kym@kymhorsell.com> - 2015-11-06 01:46 +0000
        Re: Set Theory Paradox noTthaTguY <abu.kuanysh05@gmail.com> - 2015-11-05 19:17 -0800
    Re: Set Theory Paradox Fabian Russell <root@localhost.localdomain> - 2015-11-06 05:20 +0000
      quintet noTthaTguY <abu.kuanysh05@gmail.com> - 2015-11-05 23:16 -0800
    Re: Set Theory Paradox Puppet_Sock <puppet_sock@hotmail.com> - 2015-11-06 06:37 -0800
    Re: "The twin that accelerates more" ages slower. Double-A <double-a3@hush.com> - 2015-11-07 11:27 -0800
      schOOl noTthaTguY <abu.kuanysh05@gmail.com> - 2015-11-07 17:48 -0800

#530632 — Set Theory Paradox

The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?

Double-A

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#530635

On Thursday, November 5, 2015 at 3:20:02 PM UTC-8, Double-A wrote:
> The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?
> 
> Double-A

YES   TrerBert

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#530640

On 11/5/15 5:19 PM, Double-A wrote:
> Seville who didn't shave himself

   Wikipedia is your friend:
> https://en.wikipedia.org/wiki/Barber_paradox


-- 

sci.physics is an unmoderated newsgroup dedicated
to the discussion of physics, news from the physics
community, and physics-related social issues.

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#530662

On Thursday, November 5, 2015 at 3:40:49 PM UTC-8, Sam Wormley wrote:
> On 11/5/15 5:19 PM, Double-A wrote:
> > Seville who didn't shave himself
> 
>    Wikipedia is your friend:
> > https://en.wikipedia.org/wiki/Barber_paradox


Looking it up is cheating!  I expect you to draw on your own intellect.

Stated more precisely:

Suppose the town of Seville has just one barber, who is male, and every man keeps himself clean-shaven. Suppose also that the barber shaves all those and only those men who do not shave themselves.

Who Shaves the Barber?

Double-A

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#530669

On 11/5/15 6:30 PM, Double-A wrote:
> On Thursday, November 5, 2015 at 3:40:49 PM UTC-8, Sam Wormley wrote:
>> On 11/5/15 5:19 PM, Double-A wrote:
>>> Seville who didn't shave himself
>>
>>     Wikipedia is your friend:
>>> https://en.wikipedia.org/wiki/Barber_paradox
>
>
> Looking it up is cheating!  I expect you to draw on your own intellect.
>
> Stated more precisely:
>
> Suppose the town of Seville has just one barber, who is male, and
> every man keeps himself clean-shaven. Suppose also that the barber
> shaves all those and only those men who do not shave themselves.
>
> Who Shaves the Barber?
>
> Double-A
>

   Looking it up is what scholars do as part of their research.
> https://en.wikipedia.org/wiki/Barber_paradox


-- 

sci.physics is an unmoderated newsgroup dedicated
to the discussion of physics, news from the physics
community, and physics-related social issues.

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#530727

On Thursday, November 5, 2015 at 7:41:15 PM UTC-5, Sam Wormley wrote:
> On 11/5/15 6:30 PM, Double-A wrote:
> > On Thursday, November 5, 2015 at 3:40:49 PM UTC-8, Sam Wormley wrote:
> >> On 11/5/15 5:19 PM, Double-A wrote:
> >>> Seville who didn't shave himself
> >>
> >>     Wikipedia is your friend:
> >>> https://en.wikipedia.org/wiki/Barber_paradox
> >
> >
> > Looking it up is cheating!  I expect you to draw on your own intellect.
> >
> > Stated more precisely:
> >
> > Suppose the town of Seville has just one barber, who is male, and
> > every man keeps himself clean-shaven. Suppose also that the barber
> > shaves all those and only those men who do not shave themselves.
> >
> > Who Shaves the Barber?
> >
> > Double-A

A long Long LONG time ago, when for a haircut I went
"When The Future Held Hope" (TM, SM, and BMW) American Pie
Before Obomba Drones silently hovered throughout the night
Then when Venn ... enough rhyming... Diagrams parted screens...

So this Barber==HairCutter had a really nice haircut. His was very
artsy, detailed. When he finished with mine, I asked him, who cuts
your hair? Well, I was secretly hoping to go to his hair stylist.

He looked up at me in the mirror before us, proudly and happily
proclaimed, "I did my own hair!" We both smiled.

>    Looking it up is what scholars do as part of their research.

Sure, how else are scholars going to find something to cutPaste or Plagiarize?

> > https://en.wikipedia.org/wiki/Barber_paradox
> 
> -- 
> 
> sci.physics is an unmoderated newsgroup dedicated
> to the discussion of physics, news from the physics
> community, and physics-related social issues.

-- Mahipal, pronounced "My Pal" or "Maple"... as in Loops, Syrup, Wood. 

                          /\  "If the line between science fiction and
                            /   science fact doesn't drive you crazy,
 /\                         \   then you're just not tr(y)ing!"
 \           /\/\  /  \   \/                    Mahipal Virdy
 /   ==    \  /  \/\/                         The |meforce> Paradox
 \/                            http://mahipal7638.files.wordpress.com/

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#530644

Dne 06/11/2015 v 00:19 Double-A napsal(a):
> The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?
> 
No, he did not. The barber did so.  :-D

-- 
Poutnik ( the Czech word for a wanderer )

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#530672

On Thu, 05 Nov 2015 15:19:56 -0800, Double-A wrote:

> The barber of Seville claimed to shave every man in Seville who didn't
> shave himself.  Question:  Did he shave himself?
> 

Answer: No.  

The barber remained unshaven.  The foundations of his society do not
permit this action.  His beard, by now, breaks the Guiness world record.

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#530676

On Thursday, November 5, 2015 at 3:20:02 PM UTC-8, Double-A wrote:
> The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?
> 
> Double-A

Does the barber of Seville actually live in Seville? Maybe he doesn't, and just commutes to work... in which case, he probably shaves himself... or not!

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#530679

pnalsing@gmail.com wrote:
> On Thursday, November 5, 2015 at 3:20:02 PM UTC-8, Double-A wrote:
>> The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?
>> Double-A
> Does the barber of Seville actually live in Seville? Maybe he doesn't, and just commutes to work... in which case, he probably shaves himself... or not!


I have a theory that the Barber of Seville is a tree frog.
Hence he doesn't have a beard.
(Signed) Kaspar Hauser

-- 
Q:  How many MBA types does it take to change a light bulb?
A:  100. Ten to do it, and 90 to write document number GC7500439-0001,
Multitasking Incandescent Source System Facility, of which 10% of
the pages state only "This page intentionally left blank", and 20%
of the definitions are of the form "A ...... consists of sequences
of non-blank characters separated by blanks".

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#530693

that'd be a big tree, Guiness-level max

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#530716

On Thu, 05 Nov 2015 15:19:56 -0800, Double-A wrote:

> The barber of Seville claimed to shave every man in Seville
> who didn't shave himself.  Question:  Did he shave himself?
> 

Now for the serious answer.

The paradox exemplifies some of the problems with the original
formulation of set theory.  As a result, set theory has reformulated
to not allow such paradoxes (i.e. the set of all sets is not possible).

So, in effect, the Barber is no longer around.  His existence has
been expunged in the manner of terminating a character in a TV show.

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#530719 — quintet

most of Russels' paradoxi,
were simply ungrammatical English; in this case,
no tense of the verb "to shave ze facial hairs, off,
in the nearby village's barbershop

> Now for the serious answer.

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#530736

On Thursday, November 5, 2015 at 6:20:02 PM UTC-5, Double-A wrote:
> The barber of Seville claimed to shave every man in Seville who didn't shave himself.  Question:  Did he shave himself?
> 
> Double-A

Follow him around and find out.

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#530975 — Re: "The twin that accelerates more" ages slower.

On Friday, November 6, 2015 at 9:08:11 AM UTC-8, Jeff-Relf.Me wrote:
>  
> Double-A wrote:
> > Set Theory Paradox:
> > 
> > The barber of Seville [falsely] claimed to shave 
> > every man in Seville who didn't shave himself.  
> > Question:  Did he shave himself [or was he lying] ?
> 
> He was lying.


Yes, my own conclusion, based upon my more precisely stated second post, is that one can conclude that the original statement has to be false.

Double-A

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#531089 — schOOl

Lord bertY may not have bEEn lying;
it could have BeeN a simple, grammatical error,
in spite of Oxfordianness (the aboriginal h.p public [boarding schOOl

> Yes, my own conclusion, based upon my more precisely stated second post, is that one can conclude that the original statement has to be false.
> 
> Double-A

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