Advances in Analysis, Probability and Mathematical Physics Contributions of Nonstandard Analysis / edited by Sergio Albeverio, Wilhelm A.J. Luxemburg, Manfred P.H. Wolff.
In 1961 Robinson introduced an entirely new version of the theory of infinitesimals, which he called ̀Nonstandard analysis'. ̀Nonstandard' here refers to the nature of new fields of numbers as defined by nonstandard models of the first-order theory of the reals. This system of numbers was...
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