„All pure mathematics — Arithmetic, Analysis, and Geometry — is built up by combinations of the primitive ideas of logic, and its propositions are deduced from the general axioms of logic, such as the syllogism and the other rules of inference.“ (p. 116) #Russell #PureMathematics #Logic
Russell, Bertrand, Mysticism and Logic and Other Essays. London: George Allen & Unwin LTD 111959.