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From: Archimedes Plutonium on 21 Jan 2010 15:22 Now Wikipedia is good for an overall perspective of Series in mathematics, but not good for tracking down some dates and those mathematicians who contributed to the progress of Series as a subject of mathematics. --- quoting Wikipedia on some pitfalls of Series --- Potential confusion When talking about series, one can refer either to the sequence {Â SNÂ } of the partial sums, or to the sum of the series, i.e., the limit of the sequence of partial sums (see the formal definition in the next section) â it is clear which one is meant from context. To make a distinction between these two completely different objects (sequence vs. summed value), one sometimes omits the limits (atop and below the sum's symbol), as in â an n in order to refer to the formal series, that may or may not have a definite sum. --- end quoting Wikipedia on Series ---- Now it is not surprizing that Series history goes back to Ancient Greece especially with Archimedes of Syracuse with his method of exhaustion which is the preCalculus. And not surprizing that Series is a big part of mathematics since it is the trigonometry and Calculus. Series is a part of what is known in mathematics as Analysis. So it is rather surprizing and rather silly and ridiculous that when Dedekind and Peano set about to formalize the Natural Numbers that they would not use Series as the foundation of their axiom system but rather invent a newer concept of Successor, for which mathematics never had a "successor concept" before, and beguiling in the fact that "successor" has already incorporated the concept of counting numbers, when it is the job and duty of the axioms to create the counting numbers and not have them incorporated within the axioms themselves. So that the Peano Successor axiom is a circular axiom and not a legitimate axiom that creates the Natural Numbers. If Peano had used a Series Axiom, which does not have the preconceived idea of counting already incorporated, then Peano would have a far cleaner and logical axiom set. And by using a Series Axiom rather than a Successor Axiom, there would have been no hiding or escape from the fact that some of the Natural Numbers are finite-numbers whilst others are infinite-numbers. And so, Peano and Dedekind would have been faced with providing a precision definition of finite- number. I contend that it would have been almost impossible for the technology of mathematics during the time of Peano and Dedekind or even including the time period of 1900 to 1990 for mathematics to have ever been able to define finite-number, since Physics was not mature until far after 1930s. So as much as I begrudge Peano, Cantor, Dedekind, Cohen, Godel, and many others for failing to precisely define "finite-number" one can easily see that since the times in which they lived, they were technologically infeeble to define finite-number. They did not have these items: (1) Physics is master and math is subset, especially having Quantum Mechanics (2) they did not have frontview with backview of a number where infinity fits into the middle. But they did have Series and we can easily see that Hensel made use of Series to create the p-adics which have infinite-numbers. And we see that the Hensel p- adics are what the Natural Numbers should be like. Archimedes Plutonium www.iw.net/~a_plutonium whole entire Universe is just one big atom where dots of the electron-dot-cloud are galaxies |