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AuthorSmoryล{132}ski, C. author
TitleSelf-Reference and Modal Logic [electronic resource] / by C. Smoryล{132}ski
ImprintNew York, NY : Springer New York, 1985
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Descript 333 p. online resource


It is Sunday, the 7th of September 1930. The place is Konigsberg and the occasion is a small conference on the foundations of mathematics. Arend Heyting, the foremost disciple of L. E. J. Brouwer, has spoken on intuitionism; Rudolf Carnap of the Vienna Circle has expounded on logicism; Johann (formerly Janos and in a few years to be Johnny) von Neumann has explained Hilbert's proof theory-- the so-called formalism; and Hans Hahn has just propounded his own empiricist views of mathematics. The floor is open for general discussion, in the midst of which Heyting announces his satisfaction with the meeting. For him, the relationship between formalism and intuitionism has been clarified: There need be no war between the intuitionist and the formalist. Once the formalist has successfully completed Hilbert's programme and shown "finitely" that the "idealised" mathematics objected to by Brouwer proves no new "meaningful" statements, even the intuitionist will fondly embrace the infinite. To this euphoric revelation, a shy young man cautions̃ "According to the formalist conception one adjoins to the meaningful statements of mathematics transfinite (pseudo-')statements which in themselves have no meaning but only serve to make the system a well-rounded one just as in geometry one achieves a wellยญ rounded system by the introduction of points at infinity


0. Introduction -- 1. The Incompleteness Theorems -- 2. Self-Reference -- 3. Things to Come -- 4. The Theory PRA -- 5. Encoding Syntax in PRA -- 6. Additional Arithmetic Prerequisites -- I. The Logic of Provability -- 1. Provability as Modality -- 2. Modal Model Theory -- 3. Arithmetic Interpretations of PRL -- II. Multi-Modal Logic and Self-Reference -- 4. Bi-Modal Logics and Their Arithmetic Interpretations -- 5. Fixed Point Algebras -- III. Non-Extensional Self-Reference -- 6. Rosser Sentences -- 7. An Ubiquitous Fixed Point Calculation

Mathematics Mathematical logic Mathematics Mathematical Logic and Foundations


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