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» On the logic of argumentation theory
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PODS
2008
ACM
152views Database» more  PODS 2008»
16 years 6 months ago
Towards a theory of schema-mapping optimization
A schema mapping is a high-level specification that describes the relationship between two database schemas. As schema mappings constitute the essential building blocks of data ex...
Ronald Fagin, Phokion G. Kolaitis, Alan Nash, Luci...
APAL
2010
69views more  APAL 2010»
15 years 6 months ago
Relativized Grothendieck topoi
In this paper we define a notion of relativization for higher order logic. We then show that there is a higher order theory of Grothendieck topoi such that all Grothendieck topoi ...
Nathanael Leedom Ackerman
JAR
2007
83views more  JAR 2007»
15 years 6 months ago
Theory Extension in ACL2(r)
ACL2(r) is a modified version of the theorem prover ACL2 that adds support for the irrational numbers using non-standard analysis. It has been used to prove basic theorems of anal...
Ruben Gamboa, John R. Cowles
CADE
1999
Springer
15 years 10 months ago
System Description: Twelf - A Meta-Logical Framework for Deductive Systems
Abstract. Twelf is a meta-logical framework for the specification, implementation, and meta-theory of deductive systems from the theory of programming languages and logics. It rel...
Frank Pfenning, Carsten Schürmann
ISMVL
1999
IEEE
72views Hardware» more  ISMVL 1999»
15 years 10 months ago
Information Relationships and Measures in Application to Logic Design
In this paper, the theory of information relationships and relationship measures is considered and its application to logic design is discussed. This theory makes operational the ...
Lech Józwiak