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» A Finitary Model of Peano Arithmetic
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FCS
2008
14 years 13 days ago
Why Brouwer Was Justified in his Objection to Hilbert's Unqualified Interpretation of Quantification
Abstract We define a finitary model of firstorder Peano Arithmetic in which quantification is interpreted constructively in terms of Turingcomputability, and show that it is incons...
Bhupinder Singh Anand
FCS
2008
14 years 13 days ago
A Finitary Model of Peano Arithmetic
We define a finitary model of first-order Peano Arithmetic in which satisfaction and quantification are interpreted constructively in terms of Turing-computability.
Bhupinder Singh Anand
APAL
2008
63views more  APAL 2008»
13 years 11 months ago
A standard model of Peano arithmetic with no conservative elementary extension
The principal result of this paper answers a long-standing question in the model theory of arithmetic [KS, Question 7] by showing that there exists an uncountable arithmetically cl...
Ali Enayat
NDJFL
2002
75views more  NDJFL 2002»
13 years 10 months ago
Definability of Initial Segments
In any nonstandard model of Peano arithmetic, the standard part is not first order definable. But we show that in some model the standard part is definable as the unique solution ...
Saharon Shelah, Akito Tsuboi