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History Forum / General / What If / July 2009



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Archimedes invents calculus.

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troll - 27 Jun 2009 13:55 GMT
Is this even remotely feasible considering the
state of analytical geometry in the classical
world?

If so, what form might an Archimedean calculus
take?  What changes would result to the later
Roman period and the middle ages as a result?
Jack Linthicum - 27 Jun 2009 14:10 GMT
> Is this even remotely feasible considering the
> state of analytical geometry in the classical
[quoted text clipped - 3 lines]
> take?  What changes would result to the later
> Roman period and the middle ages as a result?

My favorite source on Hellenistic sciences says"Archimese does not
employ limits only in the sense that he fails to use a ***word*** that
matches ours exactly; a proof in modern analysis needs only to have
***limit*** replaced by a definition to become equivalent to his in
every way." Russo The Forgotten Revolution
Dennis - 02 Jul 2009 05:45 GMT
>> Is this even remotely feasible considering the
>> state of analytical geometry in the classical
[quoted text clipped - 9 lines]
> ***limit*** replaced by a definition to become equivalent to his in
> every way." Russo The Forgotten Revolution

       The work is still in progress on the Archimedes Palimpsest, but
increasingly it looks like he *may* have invented calculus.  

       So I suppose it's a matter of his having developed it further.  

       More to the point, I don't think algebra was developed very far in
the Roman period.  Maybe the answer is that Archimedes didn't provide
calculus in a form that was very useful in practice.  

Dennis
Jack Linthicum - 02 Jul 2009 11:17 GMT
> >> Is this even remotely feasible considering the
> >> state of analytical geometry in the classical
[quoted text clipped - 20 lines]
>
> Dennis

Russo mentions Heron and Diophantus (c 200 to 298) as using "algebraic
methods" in Alexandria.

Enough that Diophantus is called the "Father of Algebra", a title that
he probably should share with Persian mathematician al-Khwārizmī, born
some 500 years after Diophantus)
David Johnson - 04 Jul 2009 19:01 GMT
>          The work is still in progress on the Archimedes Palimpsest, but
> increasingly it looks like he *may* have invented calculus.  
>
>          So I suppose it's a matter of his having developed it further.

And spread it around more, so that it survives.

David

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Jack Linthicum - 04 Jul 2009 19:10 GMT
On Jul 4, 2:01 pm, David Johnson <trolleyfan_spamf...@earthlink.net>
wrote:

> >          The work is still in progress on the Archimedes Palimpsest, but
> > increasingly it looks like he *may* have invented calculus.  
[quoted text clipped - 16 lines]
>
> ...Except of course we know it hasn't got one."

At least gotten it accepted by a few "writing" mathematicians. Hero is
one I would hit.
Robert A. Woodward - 27 Jun 2009 17:29 GMT
In article
<50bb4562-abed-479d-bd5f-ec2b7fb6ff00@a37g2000prf.googlegroups.com>
,

> Is this even remotely feasible considering the
> state of analytical geometry in the classical
> world?

This is right on the boundary of secret history and alternate
history, see (<
ttp://www.sciencenews.org/view/generic/id/8974/title/Math_Trek__A_Pr
ayer_for_Archimedes>) which discusses a previously unknown
Archimedes work that flirts with integral calculus.

> If so, what form might an Archimedean calculus
> take?  What changes would result to the later
> Roman period and the middle ages as a result?

The problem is that Archimedes could have developed Calculus to the
extent done by Newton and Leibniz, but it would have been
completely forgotten if the few copies of this work had disappeared
(a lot of his work did disappear).

Signature

Robert Woodward <robertaw@drizzle.com>
<http://www.drizzle.com/~robertaw>

Jack Linthicum - 27 Jun 2009 19:22 GMT
On Jun 27, 12:29 pm, "Robert A. Woodward" <rober...@drizzle.com>
wrote:
> In article
> <50bb4562-abed-479d-bd5f-ec2b7fb6f...@a37g2000prf.googlegroups.com>
[quoted text clipped - 22 lines]
> Robert Woodward <rober...@drizzle.com>
> <http://www.drizzle.com/~robertaw>

Example: Quadrature of  the parabola. A single copy, made in Byzantium
in the 9th century, thence to Sicily in the 12th Century,to Frederich
II HRE in 1266 to the Vatican Library. Copies were made in France and
Italy in the 15th century and then the manuscript disappears. Some
brigand or noble used it to light a fire or wipe his a.s and bye bye
Archimedes.
Alfred Montestruc - 05 Jul 2009 01:55 GMT
> Is this even remotely feasible considering the
> state of analytical geometry in the classical
> world?

Yes it is very much so.

In fact the recently found and published Archimedes Codex

References:

http://en.wikipedia.org/wiki/Archimedes_Palimpsest

http://www.amazon.com/Archimedes-Codex-Revealing-Antiquitys-Scientist/dp/030681580X

shows clearly that he had already been using the foundations of the
Calculus in that he was using infinities in proofs as in the limit as
x -> is y sort of proofs which is the mathematical step that lead
straight to the calculus for both Newton and Leibnitz.  That he was
murdered not too long after writing this indicates that it is quite
possible we could have had calculus being discovered and taught by
Archimedes in the ancient world.

> If so, what form might an Archimedean calculus
> take?  

Different nomenclature for sure, the Greeks used a form of Geometric
notation that is no longer used in mathematics that is in some ways
superior to the modern in that it is easier to follow.

>What changes would result to the later
> Roman period and the middle ages as a result?

It would make the science of mechanics easier to understand, possible
industrial revolution much earlier.
Jack Linthicum - 05 Jul 2009 11:37 GMT
> > Is this even remotely feasible considering the
> > state of analytical geometry in the classical
[quoted text clipped - 30 lines]
> It would make the science of mechanics easier to understand, possible
> industrial revolution much earlier.

I would argue that the idea of calculus would be interesting but not
applied in any practical way. The Romans had slaves and little
interest in mechanics beyond big projects like aquaducts. However much
the Greeks and others in the Hellenistic age liked the toys that Hero
and others made they did not look to use those toys in meaningful
industrial way.
Alfred Montestruc - 05 Jul 2009 18:48 GMT
> > > Is this even remotely feasible considering the
> > > state of analytical geometry in the classical
[quoted text clipped - 37 lines]
> and others made they did not look to use those toys in meaningful
> industrial way.

On the  contrary!

The Romans were very very much interested in effective military
hardware, especially artillery to which this sort of mathematics is
directly applicable.  In fact Archimedes main help for his home city
of Syracuse was to devise means to shoot further and more accuratly
with their artillery, which anyone who understands the math can tell
you that thrown objects follow parabolas in free trajectory 100% if
you can ignore air drag, which for more massive objects  (~ 20 -30 kg
stones for example) at smaller velocities (< 150 m/s) you can.

Such engines are very, very useful to an empire of that technological
level.

That would be the first and principle use for a significant amount of
time, but the use would spread.
Jack Linthicum - 05 Jul 2009 19:51 GMT
> > > > Is this even remotely feasible considering the
> > > > state of analytical geometry in the classical
[quoted text clipped - 54 lines]
> That would be the first and principle use for a significant amount of
> time, but the use would spread.

Never did. These are Romans, theory is for Greeks, performance for
Romans Euclid's Elements wasn't translated into Latin until the 6th
Century, Varros'
opinion of Theophrastus was that he wasn't suitable for people who
wanted cultivate land , despite the many examples of improving
viticulture. Varros is anti-science, later writers like Pliny and
Seneca are interested in science but can't understand it enough to
write coherently. There's more but you should get the picture.
Alfred Montestruc - 06 Jul 2009 04:40 GMT
> > > > > Is this even remotely feasible considering the
> > > > > state of analytical geometry in the classical
[quoted text clipped - 56 lines]
>
> Never did.

Never did what?

The Romans were bloody damn well interested in Artillery and it's
effective use and wanted to capture Archimedes alive for that very
reason.

http://en.wikipedia.org/wiki/Archimedes

FYI his age at the time of his death is strongly disputed by the
authors of the book about the Archimedes codex, they hold that he was
a much younger man at that time.

> These are Romans, theory is for Greeks, performance for
> Romans Euclid's Elements wasn't translated into Latin until the 6th
> Century, Varros'

If it works, they copy it.   They had little use for theory that they
could not see as useful, but adopted the hell out of ideas that were.

Like his various other inventions like the Archimedes screw.

> opinion of Theophrastus was that he wasn't suitable for people who
> wanted cultivate land , despite the many examples of improving
> viticulture. Varros is anti-science, later writers like Pliny and
> Seneca are interested in science but can't understand it enough to
> write coherently. There's more but you should get the picture.
Jack Linthicum - 06 Jul 2009 11:28 GMT
> > > > > > Is this even remotely feasible considering the
> > > > > > state of analytical geometry in the classical
[quoted text clipped - 83 lines]
> > Seneca are interested in science but can't understand it enough to
> > write coherently. There's more but you should get the picture.

Okay, try this What IF: Archimedes is not 75 but some younger age, you
choose. He is taken prisoner by the Romans and is forced to do
"contract research" on military subjects. What does he come up with
and what effect does it have on ensuing Roman history?

Archimedes dedicated works to Eratosthenes and Conon, both with
similar birth dates recorded. Four years slop as the "year" is usually
an Olympiad.
Alfred Montestruc - 07 Jul 2009 04:39 GMT
> > > > > > > Is this even remotely feasible considering the
> > > > > > > state of analytical geometry in the classical
[quoted text clipped - 92 lines]
> similar birth dates recorded. Four years slop as the "year" is usually
> an Olympiad.

I do not like that time line.  I like better the time line where the
Romans lose (quite possible, they only took Syracuse by treachery) and
Syracuse and so Carthage wins, and for the sake of argument Rome is
sown with salt and the Carthaginian civilization rises.

Archimedes finishes his work on the calculus and learned men in both
the Greek and Carthaginian/Phoenician world adopt his mathematics and
apply it to nature and the science of mechanics and hydraulics
(physics) advance at pretty much the same dizzy pace they did after
Newton and Leibniz invent and publish the calculus in our time line.
Some one, probably after telescopes are invented, and the fact of
elliptical shaped orbits with the area swept out being constant twigs
to the nature of gravity.
 
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