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[1] In such cases the scale is dimensionless and exact throughout the model or drawing. The scale can be expressed in four ways: in words (a lexical scale), as a ratio, as a fraction and as a graphical (bar) scale. Thus on an architect's drawing one might read 'one centimeter to one meter', 1:100, 1/100, or 1 / 100 . A bar scale would ...
His method anticipated that of Dedekind cuts in the modern definition of real numbers by Richard Dedekind (1831–1916); [2] see Eudoxus of Cnidus § Eudoxus' proportions. In the Posterior Analytics , Aristotle (384–322 BC) laid down the logic for organizing a field of knowledge by means of primitive concepts, axioms, postulates, definitions ...