 belief |  conditionals |  decision theory |  Dutch book arguments |  epistemology: Bayesian |  facts |  laws of nature |  logic: conditionals |  logic: of belief revision |  logical atomism: Russell’s |  object |  pragmatism |  Principia Mathematica |  probability, interpretations of |  properties |  propositional function |  Ramsey, Frank: and intergenerational welfare economics |  theoretical terms in science |  truth |  truth: deflationation about |  truthmakers |  type theory |  Wittgenstein, Ludwig: logical atomism |  Wittgenstein, Ludwig: philosophy of mathematics 