| Title / Condition | Highlights | Price |
|---|---|---|
| Principia Mathematica. Volumes I+II+III [second edition] Russell, Bertrand; Whitehead, A.N. / Used - Hardcover | $783.71 | |
| The Computer and the Brain by John von Neumann [Silliman Memorial Lectures] Preface by Klara von Neumann Neumann, John von / Used - Hardcover | 1st Edition | $603.73 |
| A System of Logic, Ratiocinative and Inductive, being a connected view of the principles of evidence and the methods of scientific investigation (in two volumes) Mill, John Stuart / Used - Hardcover | Fine/VG+ | $241.49 |
| On Certainty by Ludwig Wittgenstein. Edited by G.E.M. Anscombe and G.H. von Wright. Translated by Denis Paul and G.E.M. Anscobe / Über Gewissheit [Collected Works, Volume VII] Wittgenstein, Ludwig; Paul, Denis; Anscombe, G.E.M.; Wright, G.H. von / Used - Hardcover | $120.75 |