 analytic/synthetic distinction |  a priori justification and knowledge |  certainty |  Chisholm, Roderick |  cognitivism vs. non-cognitivism, moral |  conditionals: counterfactual |  Goodman, Nelson |  justification, epistemic: foundationalist theories of |  logic: inductive |  logic: modal |  logical consequence |  -->logical positivism--> |  naturalism: moral |  pragmatism |  probability, interpretations of |  qualia |  Quine, Willard Van Orman |  value: intrinsic vs. extrinsic 