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JSYML
2002
56views more  JSYML 2002»
13 years 6 months ago
Borovik-Poizat Rank and Stability
: There is an axiomatic treatment of Morley rank in groups, due to Borovik and Poizat. These axioms form the basis of the algebraic treatment of groups of finite Morley rank which ...
Jeffrey Burdges, Gregory L. Cherlin
JSYML
2002
92views more  JSYML 2002»
13 years 6 months ago
Groundwork for Weak Analysis
Abstract. This paper develops the very basic notions of analysis in a weak secondorder theory of arithmetic BTFA whose provably total functions are the polynomial time computable f...
António M. Fernandes, Fernando Ferreira
JSYML
2002
81views more  JSYML 2002»
13 years 6 months ago
Modulated Fibring and The Collapsing Problem
Fibring is recognized as one of the main mechanisms in combining logics, with great significance in the theory and applications of mathematical logic. However, an open challenge t...
Cristina Sernadas, João Rasga, Walter Alexa...
JSYML
2002
84views more  JSYML 2002»
13 years 6 months ago
Maximal Contiguous Degrees
A computably enumerable (c.e.) degree is a maximal contiguous degree if it is contiguous and no c.e. degree strictly above it is contiguous. We show that there are infinitely many ...
Peter Cholak, Rodney G. Downey, Stephen Walk
JSYML
2002
170views more  JSYML 2002»
13 years 6 months ago
Representability in Second-Order Propositional Poly-Modal Logic
A propositional system of modal logic is second-order if it contains quantifiers p and p, which, in the standard interpretation, are construed as ranging over sets of possible worl...
Gian Aldo Antonelli, Richmond H. Thomason