37 search results - page 3 / 8 » Preservation Theorems in Finite Model Theory |
IGPL
2008
13 years 7 months ago
2008
We propose here an extension of Rice's Theorem to first-order logic, proven by totally elementary means. If P is any property defined over the collection of all first-order t...
LOGCOM
2010
13 years 5 months ago
2010
In most theorem proving applications, a proper treatment of equational theories or equality is mandatory. In this paper we show how to integrate a modern treatment of equality in ...
STACS
2001
Springer
13 years 12 months ago
2001
Springer
We propose a new, logical, approach to the decidability problem for the Straubing and Brzozowski hierarchies based on the preservation theorems from model theory, on a theorem of ...
AML
2011
13 years 2 months ago
2011
In this paper we prove three theorems about the theory of Borel sets in models of ZF without any form of the axiom of choice. We prove that if B ⊆ 2ω is a Gδσ-set then either...
ICALP
2007
Springer
14 years 1 months ago
2007
Springer
Gaifman’s locality theorem states that every first-order sentence is equivalent to a local sentence. We show that there is no elementary bound on the length of the local sentenc...