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    AML
    2008
    85views more  AML 2008»
    A hierarchy of hereditarily finite sets
    13 years 11 months ago
    A hierarchy of hereditarily finite sets
    Download  faculty.baruch.cuny.edu
    This article defines a hierarchy on the hereditarily finite sets which reflects the way sets are built up from the empty set by repeated adjunction, the addition to an already exis...
    Laurence Kirby
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    AML
    2008
    72views more  AML 2008»
    On Lachlan's major sub-degree problem
    13 years 11 months ago
    On Lachlan's major sub-degree problem
    Download  lcs.ios.ac.cn
    The Major Sub-degree Problem of A. H. Lachlan (first posed in 1967) has become a long-standing open question concerning the structure of the computably enumerable (c.e.) degrees. ...
    S. Barry Cooper, Angsheng Li
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    AML
    2008
    44views more  AML 2008»
    Elementary equivalence of some rings of definable functions
    13 years 11 months ago
    Elementary equivalence of some rings of definable functions
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    We characterize elementary equivalences and inclusions between von Neumann regular real closed rings in terms of their boolean algebras of idempotents, and prove that their theorie...
    Vincent Astier
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    AML
    2008
    91views more  AML 2008»
    On meta complexity of propositional formulas and propositional proofs
    13 years 11 months ago
    On meta complexity of propositional formulas and propositional proofs
    Download  www2.mcdaniel.edu
    A new approach to defining complexity of propositional formulas and proofs is suggested. Instead of measuring the size of these syntactical structures in the propositional languag...
    Pavel Naumov
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    AML
    2008
    60views more  AML 2008»
    Computable shuffle sums of ordinals
    13 years 11 months ago
    Computable shuffle sums of ordinals
    Download  www.math.uconn.edu
    Asher M. Kach
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    AML
    2008
    84views more  AML 2008»
    Harrington's conservation theorem redone
    13 years 11 months ago
    Harrington's conservation theorem redone
    Download  www.ciul.ul.pt
    Leo Harrington showed that the second-order theory of arithmetic WKL0 is 1 1-conservative over the theory RCA0. Harrington's proof is model-theoretic, making use of a forcing...
    Fernando Ferreira, Gilda Ferreira
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    AML
    2008
    59views more  AML 2008»
    Monadic GMV-algebras
    13 years 11 months ago
    Monadic GMV-algebras
    Download  people.maths.ox.ac.uk
    Jirí Rachunek, Dana Salounová
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    AML
    2008
    56views more  AML 2008»
    On a question of Pereira
    13 years 11 months ago
    On a question of Pereira
    Download  www.tau.ac.il
    Answering a question of Pereira we show that it is possible to have a model violating the Singular Cardinal Hypothesis without a tree-like continuous scale.
    Moti Gitik
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    AML
    2008
    37views more  AML 2008»
    On two problems concerning end extensions
    13 years 11 months ago
    On two problems concerning end extensions
    Download  mpla.math.uoa.gr
    We study problems of Clote and Paris, concerning the existence of end extensions of models of n-collection. We continue the study of the notion of ` -fullness', begun by Wilki...
    Charalampos Cornaros, Costas Dimitracopoulos
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    AML
    2008
    73views more  AML 2008»
    An L-like model containing very large cardinals
    13 years 11 months ago
    An L-like model containing very large cardinals
    Download  www.math.cmu.edu
    Arthur W. Apter, James Cummings
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