About this deck
"The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it..." — Henri Poincaré, 1908 Key sections include: Mathematics An essay in nine chapters; The hierarchy of numbers natural · integer · rational · real · complex; Euclid's Elements and the geometries that followed; The infinitesimal, tamed . Newton, Leibniz, Cauchy, Weierstrass; Solving the unsolvable . From al-Khwārizmī to Galois; The trouble with everything . Cantor, Russell, Gödel; Rubber-sheet geometry . Continuity without distance; A small, eccentric guild.; Five beautiful equations.; A skeletal timeline..