Symmetry STARTING from the somewhat vague notion of symmetry = harmony of proportions, these four lectures gradually develop first the geometric concept of symmetry in its several forms, as bilateral, translatory, rotational, ornamental and crystallographic symmetry, etc., and finally rise to the general idea underlying all these special forms, namely that... Bridges to Infinity: The Human Side of Mathematics Most of the reasons that I have written this book can be explained in terms of what reportedly happened one day in the eighteenth century when the great German mathematician Leonhard Euler confronted the eminent French scholar and atheist Denis Diderot with a spurious mathematical proof for the existence of God. Euler, it seems, accepted an... Database Design (Mcgraw Hill Computer Science Series) The material in this book is the result of courses given at Stanford University as “File and Database Structures” since 1971. Initially little coherent published material was available, even though a large number of references could be cited.
In particular, no clear definition of the concept of a schema was available. Now...
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