Revisability and Conceptual Change in "Two Dogmas of Empiricism"
David Chalmers
Basic Music Theory: How to Read, Write, and Understand Written ...
Jonathan D. Harnum
Wittgenstein on Rules and Private Language: An Elementary Exposition
Saul A. Kripke
Cartesian Meditations
Edmund Husserl
Introduction to Objectivist Epistemology
Ayn Rand & Leonard Peikoff