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» Semi-Contraction: Axioms and Construction
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CADE
2006
Springer
14 years 7 months ago
Extracting Programs from Constructive HOL Proofs Via IZF Set-Theoretic Semantics
Church's Higher Order Logic is a basis for proof assistants -- HOL and PVS. Church's logic has a simple set-theoretic semantics, making it trustworthy and extensible. We ...
Robert L. Constable, Wojciech Moczydlowski
ECAI
2010
Springer
13 years 8 months ago
A constructive conditional logic for access control: a preliminary report
We define an Intuitionistic Conditional Logic for Access Control called CICL . The logic CICL is based on a conditional language allowing principals to be defined as arbitrary form...
Valerio Genovese, Laura Giordano, Valentina Gliozz...
ER
2009
Springer
119views Database» more  ER 2009»
14 years 2 months ago
Assessing Modal Aspects of OntoUML Conceptual Models in Alloy
Assessing the quality of conceptual models is key to ensure that conceptual models can be used effectively as a basis for understanding, agreement and construction of information ...
Alessander Botti Benevides, Giancarlo Guizzardi, B...
COMPGEOM
2010
ACM
14 years 19 days ago
Consistent digital line segments
We introduce a novel and general approach for digitalization of line segments in the plane that satisfies a set of axioms naturally arising from Euclidean axioms. In particular, ...
Tobias Christ, Dömötör Pálv&...
AML
2005
101views more  AML 2005»
13 years 7 months ago
Forcing and antifoundation
It is proved that the forcing apparatus can be built and set to work in ZFCA (=ZFC minus foundation plus the antifoundation axiom AFA). The key tools for this construction are gre...
Athanassios Tzouvaras