5.     Poincaré said that among the greatest discoveries are those that borrow laws from one field and unexpectedly apply them to another -- as in applying the laws of gaseous molecules to the Milky Way. Similarly, Charles Darwin deductively applied Adam Smith's theory of economics to arrive at his original and revolutionary theory of evolution. Therefore, Duchamp taking Poincaré's law (from science) and applying it in a new discipline (art) counts as an original discovery.