Conjectures and Refutations: The Growth of Scientific Knowledge

accept Anaximander apply argument Aristotle assertion atomic attempt attitude basic statements believe calculus called Carnap confirmation conjecture contradictions criterion criticism Ct(a Ctr(a definition Democritus Descartes described dialectic discussion doctrine dogmatic empirical empiricism epistemology especially example experience explain fact false falsifiability formulated Hegel Heraclitus human hypothesis idea important indirect self-reference induction interesting interpretation intuition Kant Kant's kind Kirk knowledge language laws logical Marxism mathematical meaningful meaningless means ment metaphysics method mind myth natural sciences negation Newton's theory observations Parmenides perhaps philosophical physical Plato political possible precisely predictions principle probability problem problem of demarcation problem of induction Professor Sellars public opinion pure question rational rationalist realize reason refuted rules of inference scientific sense social sciences society Socrates testable tests Theaetetus theoretical thesis things tion tradition true truth truth-content Utopian valid words Xenophanes