| Title / Condition | Highlights | Price |
|---|---|---|
| Remarks on the Foundations of Mathematics Wittgenstein, Ludwig: / Used - Hardcover | $51.91 | |
| The Foundations of Arithmetic A logico-mathematical enquiry into the concept of number Gottlob Frege, Translated by J. L. Austin / Used - Hardcover | Dust Jacket | $50.00 |