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Cuchulainn
Posts: 62626
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### Re: Philosophy of Mathematics

At 86, Gil Strang is still going strong.

Step over the gap, not into it. Watch the space between platform and train.
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Collector
Posts: 4687
Joined: August 21st, 2001, 12:37 pm

### Re: Philosophy of Mathematics

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?

Cuchulainn
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### Re: Philosophy of Mathematics

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?
if the ancient Greeks couldn't solve it, why do you think Oxford can?
Have you tried Imperial?
Step over the gap, not into it. Watch the space between platform and train.
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Collector
Posts: 4687
Joined: August 21st, 2001, 12:37 pm

### Re: Philosophy of Mathematics

Any mathematics enthusiast here? or only spherical oxford heads that need to be boxed?
if the ancient Greeks couldn't solve it, why do you think Oxford can?
Have you tried Imperial?
off course it is impossible to square the Imperial circle even for oxfordians!

Alan
Posts: 10270
Joined: December 19th, 2001, 4:01 am
Location: California
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### Re: Philosophy of Mathematics

Related: take the same train in your article, and attach the unit circle as the wheels. Push the train along the track for 1/2 wheel revolution, marking the distance travelled on the track -- of course, $\pi$. Then follow this construction

Only needed: straightedge, compass, and train (forget Einstein).

Well, you do need somebody strong enough to push a train.
Another good illustration for you!

Collector
Posts: 4687
Joined: August 21st, 2001, 12:37 pm

### Re: Philosophy of Mathematics

interesting, but since the wheels are affected by length contraction I am not sure this solution works, possibly at best a good approximation, but need to study it more carefully. It is Norwegian national day now so not allowed to work, need to look at it next week!

Cuchulainn
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### Re: Philosophy of Mathematics

Throw off the Swedish yoke, what?
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bearish
Posts: 5702
Joined: February 3rd, 2011, 2:19 pm

### Re: Philosophy of Mathematics

No, Norwegian history is confusing in that regard. Loosely speaking, the events celebrated on the 17th of May more or less align with Norway becoming subject to Swedish rule (from Danish, because Napoleon lost a war to the English — I said it was confusing!). But, in the process, a modern constitution was adopted, which is what is being celebrated. The extent to which the Swedish king respected the Norwegian constitution probably varied a bit over time, but the whole thing lasted for the 90-ish years of the “union”, and remained a foundational document when Norway regained independence in 1905.

katastrofa
Posts: 9455
Joined: August 16th, 2007, 5:36 am
Location: Alpha Centauri

### Re: Philosophy of Mathematics

Kudos to Collector for *not* writing that the Michelson-Morley proved that aether doesn't exist (majority of physicists make this stupid mistake).

I'm thinking that those two guys wouldn't find aether even if they wrapped them in a copper rod and discharged a  Leyden bottle in their noses (I don't think it would work, but it sounds funny). They knew Faraday's work, Maxwell put forward his theories of electromagnetism at the time and they watched closely Hertz's famous experiments confirming them. They basically witnessed the discovery of electro-magnetic field - but meh they wanted "aether".

Collector
Posts: 4687
Joined: August 21st, 2001, 12:37 pm

### Re: Philosophy of Mathematics

"(majority of physicists make this stupid mistake)" the Parrot mistake!

Cuchulainn
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### Re: Philosophy of Mathematics

"(majority of physicists make this stupid mistake)" the Parrot mistake!
Were it that it remained at one.
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katastrofa
Posts: 9455
Joined: August 16th, 2007, 5:36 am
Location: Alpha Centauri

### Re: Philosophy of Mathematics

Jepp, as the Latin proverb says, ab cenae opev id e nessi snot e viden ofap cense. Or something like that.

Cuchulainn
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### Re: Philosophy of Mathematics

John Conway, the world's most charismatic mathematician, falls victim to Covid-19

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Cuchulainn
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### Re: Philosophy of Mathematics

And the most charismatic (and clever ever) is

IMO the best American mathematician of the 20th century.
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bearish
Posts: 5702
Joined: February 3rd, 2011, 2:19 pm

### Re: Philosophy of Mathematics

Just to tidy things up: Conway held the John von Neumann professorship at Princeton.