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APAL
2005
89views more  APAL 2005»
13 years 11 months ago
Softness of hypercoherences and MALL full completeness
We prove a full completeness theorem for multiplicative-additive linear logic (i.e. MALL) using a double gluing construction applied to Ehrhard's -autonomous category of hype...
Richard Blute, Masahiro Hamano, Philip J. Scott
APAL
2005
115views more  APAL 2005»
13 years 11 months ago
Completeness of S4 with respect to the real line: revisited
We prove that S4 is complete with respect to Boolean combinations of countable unions of convex subsets of the real line, thus strengthening a 1944 result of McKinsey and Tarski (...
Guram Bezhanishvili, Mai Gehrke
APAL
2005
107views more  APAL 2005»
13 years 11 months ago
Uniform Heyting arithmetic
We present an extension of Heyting Arithmetic in finite types called Uniform Heyting Arithmetic (HAu) that allows for the extraction of optimized programs from constructive and cla...
Ulrich Berger
APAL
2005
82views more  APAL 2005»
13 years 11 months ago
A descending chain condition for groups definable in o-minimal structures
We prove that if G is a group definable in a saturated o-minimal structure, then G has no infinite descending chain of type-definable subgroups of bounded index. Equivalently, G h...
Alessandro Berarducci, Margarita Otero, Ya'acov Pe...
APAL
2005
67views more  APAL 2005»
13 years 11 months ago
The minimal e-degree problem in fragments of Peano arithmetic
We study the minimal enumeration degree (e-degree) problem in models of fragments of Peano arithmetic (PA) and prove the following results: In any model M of 2 induction, there is ...
Marat M. Arslanov, Chi Tat Chong, S. Barry Cooper,...
APAL
2005
117views more  APAL 2005»
13 years 11 months ago
About cut elimination for logics of common knowledge
The notions of common knowledge or common belief play an important role in several areas of computer science (e.g. distributed systems, communication), in philosophy, game theory,...
Luca Alberucci, Gerhard Jäger