| Principia Mathematica. 3 Vols. Rep. 2. Ed. WHITEHEAD, Alfred North / RUSSELL, Bertrand: / Used - Hardcover | | $569.67 |
| Against Method : Outline of an Anarchistic Theory of Knowledge. 2. Printing. Feyerabend, Paul K.: / Used - Hardcover | | $142.49 |
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| Elements of intuitionism. Dummett, Michael: / Used - Hardcover | | $92.62 |
| Collected Works, Vol. 1: Publications 1929-1936. Ed. Solomon Feferman. Gödel, Kurt: / Used - Hardcover | | $89.06 |
| Notebooks 1914-1916. Edited by G.H. von Wright and G.E.M. Anscombe. Wittgenstein. Ludwig / Used - Hardcover | | $53.43 |
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| Some Main Problems of Philosophy. (Muirhead Library of Philosophy). Moore, George Edward: / Used - Hardcover | | $53.41 |
| The Foundations of Arithmetic; A Logico-Mathematical Enquiry into the Concept of Number. Translation by HJ.L.Austin. Frege, Gottlob: / Used - Hardcover | | $53.41 |