 abilities |  analysis |  Berkeley, George |  Chisholm, Roderick |  contextualism, epistemic |  Descartes, René: epistemology |  epistemology |  epistemology: Bayesian |  Hume, David |  idealism |  justification, epistemic: foundationalist theories of |  justification, epistemic: internalist vs. externalist conceptions of |  knowledge: analysis of |  meaning, theories of |  metaethics |  moral anti-realism |  moral realism |  perception: the problem of |  postmodernism |  realism |  relativism |  Rorty, Richard |  understanding 