Ilan Vardi's insightful remarks about Archimedes as an Experimental (Rigorous!) Mathematician
Dear Doron,
I hope you are doing well. I was looking at your website again and found
your very nice talk What is Experimental Mathematics? In the talk you
alluded to Archimedes, but in fact, I believe he is more significant
because he wrote the first rigorous paper on his experimental method,
you accurately state that the ancient Greeks tried to hide their
reasoning. But in his paper The Method he explicitly states that it is
easier to come up with the statements of theorems through a formal
method, and then the proof is relatively easy.
Another example from Greek mathematics is the well known Euclid proof
that sqrt(2) is irrational. But in fact, this is more in the line of a
verification. To discover this fact, one simply applies the Euclidean
algorithm on 1 and sqrt(2) and see where that leads. Working
geometrically, one soon sees that one get a recursion so that there
cannot be a common measure (of course this comes down to the continued
fraction expansion of sqrt(2)). For some reason, this is rarely taught,
I can't think of an elementary reference.
Best regards,
-ilan
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What is Experimental Mathematics?