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From: Archimedes Plutonium on 4 Mar 2010 02:46 I am going to have to address this issue before leaving this book. The most recent latest information on Algebra was that I said that Algebra falls apart or breaks down at about 10% of all the numbers that exist. And I fetched that conclusion from the Luminet-Poincare Dodecahedral Space in conjunction with the boundary of arcs forming triangles and rectangles in Elliptic and Hyperbolic Geometry. That boundary is a 10% of a great-circle and the 100-Model that if 100 was the last number then multiplication is only good to 10 x 10 and fails with 11x10. But all of those conclusions preceded the revelation that Infinity = negative numbers. So is Algebra as good as the old Algebra? I would say no. I would say that Elliptic geometry reminds us that we cannot multiply on large sized triangles or rectangles in Elliptic geometry. In Euclidean geometry we an multiply without limitations of a length by width. But in Elliptic geometry we cannot multiply a length by width with no limitations. Multiplying the Equator by a longitude has no geometrical meaning. So it appears that the limitations still are intrinsic to Elliptic geometry that concavity combined with rectangles are good for 10% of the length of a great circle. So it appears that Algebra is no longer as comprehensive and broad of a subject but has been trimmed of its validity. We used to think that Algebra was all encompassing of geometry and that we just revise definitions to accomodate Algebra in Elliptic geometry. But nowadays, we see Geometry as the bigger subject and Algebra as the lesser subject. So that we cannot have a huge sized rectangle on sphere model of Elliptic Geometry, means that we are restricted in multiplication and that Algebra is only good for about 10% of Elliptic geometry. So that if 10^500 is the last and largest finite number as is the South Pole number then what the boundaries of having algebra of multiplication? Since the square root of 100 is 10 and 10x10 is the limitations of multiplication when 100 is the last and largest number, so is 10^250 the limit of multiplication for Algebra in mathematics? So I am afraid, and it looks as though the answer is that Algebra has become a smaller subject in mathematics with these revelations. Archimedes Plutonium www.iw.net/~a_plutonium whole entire Universe is just one big atom where dots of the electron-dot-cloud are galaxies |