| Knowledge and Belief. An Introduction to the Logic of the two Notions. "HINTIKKA, JAAKKO. / Used - Hardcover | 1st Edition Dust Jacket | $88.87 |
| A System of Logic, Ratiocinative and Inductive, Being a Connected View of the Principal Evidence, and the Methods of Scientific Investigation. In Two Volumes. 2 vols. MILL, JOHN STUART. / Used - Hardcover | | $80.79 |
| Preliminary Studies for the "Philosophical Investigations". Generally Known as the Blue and Brown Books "WITTGENSTEIN, LUDWIG. / Used - Hardcover | Dust Jacket | $80.79 |
| A Treatise on Probability. (The Collected Writings of John Maynard Keynes Volume VIII). KEYNES, JOHN MAYNARD. / Used - Hardcover | | $80.79 |
| Dilemmas. The Tarner lectures 1953. RYLE, GILBERT. / Used - Hardcover | 1st Edition | $72.60 |
| Introduction to Logical Theory. STRAWSON, P. F. / Used - Hardcover | 1st Edition | $60.60 |
| Montesquieu. A Critical Biography. SHACKLETON, ROBERT. / Used - Hardcover | 1st Edition Dust Jacket | $56.56 |
| Philosophic Foundations of Quantum Mechanics. REICHENBACH, HANS. / Used - Hardcover | 1st Edition | $56.56 |
| Set Theory and its Logic. QUINE, WILLARD VAN ORMAN. / Used - Hardcover | Dust Jacket | $56.56 |