 analytic/synthetic distinction |  Carnap, Rudolf |  fictionalism |  Frege, Gottlob |  mathematics, philosophy of: indispensability arguments in the |  mathematics, philosophy of: nominalism |  nominalism: in metaphysics |  object |  physicalism |  Platonism: in metaphysics |  Platonism: in the philosophy of mathematics |  states of affairs |  types and tokens 