Description
Types, Tableaus, and Gödel’s God, Softcover reprint of the original 1st ed. 2002
Trends in Logic Series, Vol. 12
Author: Fitting M.
Language: English
Types, Tableaus, and Gödel's God
Publication date: 10-2012
181 p. · 16x24 cm · Paperback
Publication date: 10-2012
181 p. · 16x24 cm · Paperback
Approximative price 105.49 €
Subject to availability at the publisher.
Add to cart the book of Fitting M.
Types, tableaus, and godel's god
Publication date: 05-2002
181 p. · 15.5x23.5 cm · Paperback
Publication date: 05-2002
181 p. · 15.5x23.5 cm · Paperback
Description
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Gödel's modal ontological argument is the centrepiece of an extensive examination of intensional logic. First, classical type theory is presented semantically, tableau rules for it are introduced, and the Prawitz/Takahashi completeness proof is given. Then modal machinery is added, semantically and through tableau rules, to produce a modified version of Montague/Gallin intensional logic. Extensionality, rigidity, equality, identity, and definite descriptions are investigated. Finally, various ontological proofs for the existence of God are discussed informally, and the Gödel argument is fully formalized. Objections to the Gödel argument are examined, including one due to Howard Sobel showing Gödel's assumptions are so strong that the modal logic collapses. It is shown that this argument depends critically on whether properties are understood intensionally or extensionally.
Parts of the book are mathematical, parts philosophical. A reader interested in (modal) type theory can safelyskip ontological issues, just as one interested in Gödel's argument can omit the more mathematical portions, such as the completeness proof for tableaus. There should be something for everybody (and perhaps everything for somebody).
Parts of the book are mathematical, parts philosophical. A reader interested in (modal) type theory can safelyskip ontological issues, just as one interested in Gödel's argument can omit the more mathematical portions, such as the completeness proof for tableaus. There should be something for everybody (and perhaps everything for somebody).
I Classical Logic.- Classical Logic-Syntax.- Classical Logic-Semantics.- Classical Logic-Basic Tableaus.- Soundness And Completeness.- Equality.- Extensionality.- II Modal Logic.- Modal Logic, Syntax And Semantics.- Modal Tableaus.- Miscellaneous Matters.- III Ontological Arguments.- Godel’s Argument, Background.- Godel’s Argument, Formally.- References.
Includes supplementary material: sn.pub/extras
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