QUOTATION: The three main medieval points of view regarding universals are designated by historians as realism, conceptualism, and nominalism.
Essentially these same three doctrines reappear in twentieth-century surveys of the philosophy of mathematics under the new names logicism, intuitionism, and formalism.
ATTRIBUTION: Willard Van Orman Quine (b. 1908), U.S. philosopher. From a Logical Point of View, p. 14, Harvard University Press second, revised edition (1961).