| Title / Condition | Highlights | Price |
|---|---|---|
| Kurt Godel On Formally Undecidable Propositions of Principia Mathematica and Related Items Kurt Godel / Used - Hardcover | Dust Jacket | $1,115.47 |
| On Formally Undecidable Propositions of Principia Mathematica and Related Systems Kurt Godel, B. Meltzer (trans.), R. B. Braithwaite, F.B.A. (intro.) / Used - Hardcover | $150.00 |