Where Does the Burden of Theory Lie?. - Testimony Induction and Reasonable Belief. - Theory-Confirmation and History. - Critical Rationalism and its Failure to Withstand Critical Scrutiny. - Methodological Rules Rationality and Truth. - Why is it Rational to Believe Scientific Theories are True?. - Thinking About the Ultimate Argument for Realism. - The Unseen World. - Why Alan Musgrave Should Become an Essentialist. - The Metaphysics of Realism and Structural Realism. - Scientific Realism and Mathematical Nominalism: A Marriage Made in Hell. - A Methodological Critique of the Semantic Conception of Theories. - A Refutation of Peircean Idealism. - Historiography as a Hypothetico-Deductive Science: A Criticism of Methodological Historism. - Ptolemy's Musical Models for Mind-Maps and Star-Maps. - Responses. Language: English