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Which side does the egg fall on

fred rosenberger
lowercase baba
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Joined: Oct 02, 2003
Posts: 11498
    
  16

Someone recently sent me this puzzle:

Paul Wheaton owns a vacation house in northern Montana which has an A-shaped roof. One side of the roof faces north and the other side faces south. The prevailing winds from the north are usually quite strong. The strange thing is that the stronger the north wind blows, the stronger the resulting updraft on the south side of the roof. Therefore if a rooster was to lay an egg on the peak of the roof during a strong northerly wind, on which side should the egg fall most of the time?


some folks would say either North or South. Someone might say the two winds cancel each other out, so the egg stays up on the point of the roof. However, the traditional answer is "Roosters don't lay eggs.".

I find that annoying, but mostly irrelevant. The predicate of the issue states that a rooster DID lay an egg, so it is not up to me to say 'Well, that can't happen'. The problem states that it did happen, so we have to go on that.

Am I wrong?


There are only two hard things in computer science: cache invalidation, naming things, and off-by-one errors
Paul Sturrock
Bartender

Joined: Apr 14, 2004
Posts: 10336

Yeah - the problem is not lingustically well formed. The conjunction used in the predicate adds the possibility that the egg was not laid at all, assuming you accept the definition of "if" is something like "on condition that", but if you understand it to mean "in the event that" then yes, the rooster did lay an egg (even if this is biologically unlikely). So there is scope for either approach.

Next time someone asks you this, just punch them on the nose.


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Mike Simmons
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Joined: Mar 05, 2008
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  10
Depends on the context I suppose. It's often useful to notice a flawed premise and question it, rather than simply accept it.
marc weber
Sheriff

Joined: Aug 31, 2004
Posts: 11343

There is no Montana.


"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
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Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 42919
    
  68
Don't tell Miley Cyrus.
Greg Charles
Sheriff

Joined: Oct 01, 2001
Posts: 2864
    
  11

I believe that the egg would explode destroying the roof and, with luck, collapsing the structure and killing the egg-thieving pigs inside.
Paul Clapham
Bartender

Joined: Oct 14, 2005
Posts: 18987
    
    8

An aircraft crashes on the border of Montana and Minnesota. In which state is Miley Cyrus buried?
marc weber
Sheriff

Joined: Aug 31, 2004
Posts: 11343

Paul Clapham wrote:An aircraft crashes on the border of Montana and Minnesota. In which state is Miley Cyrus buried?

That's easy: Avogadro's number.
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 42919
    
  68
An aircraft crashes on the border of Montana and Minnesota.

That's unpossible - Ohio, Nevada, Maine, and Kentucky all border Springfield!
Jesper de Jong
Java Cowboy
Saloon Keeper

Joined: Aug 16, 2005
Posts: 14430
    
  23

Dork Dork Dork, you eat soup with a ...?


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Mike Simmons
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Joined: Mar 05, 2008
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  10
Spork?
fred rosenberger
lowercase baba
Bartender

Joined: Oct 02, 2003
Posts: 11498
    
  16

Jesper de Jong wrote:Dork Dork Dork, you eat soup with a ...?
Straw.
Paul Clapham
Bartender

Joined: Oct 14, 2005
Posts: 18987
    
    8

Jesper de Jong wrote:Dork Dork Dork, you eat soup with a ...?

You don't eat soup. You drink it.
David O'Meara
Rancher

Joined: Mar 06, 2001
Posts: 13459

Say 'Ghost' five times.
What do you put in a toaster?
David O'Meara
Rancher

Joined: Mar 06, 2001
Posts: 13459

Also related:
If you were dropped out of an airplane wearing a suit covered in outward-facing needles, how large would a stack of balloons underneath you need to be in order to slow you down enough to not die upon impact with the ground?
but I can't remember why.
Kaustubh G Sharma
Ranch Hand

Joined: May 13, 2010
Posts: 1281

it must fall somewhere on the floor ...


No Kaustubh No Fun, Know Kaustubh Know Fun..
 
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