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ENTCS
2006
133views more  ENTCS 2006»
13 years 10 months ago
A Compositional Natural Semantics and Hoare Logic for Low-Level Languages
The advent of proof-carrying code has generated significant interest in reasoning about low-level languages. It is widely believed that low-level languages with jumps must be diff...
Ando Saabas, Tarmo Uustalu
APAL
2004
87views more  APAL 2004»
13 years 9 months ago
Expressive equivalence of least and inflationary fixed-point logic
We study the relationship between least and inflationary fixed-point logic. In 1986, Gurevich and Shelah proved that in the restriction to finite structures, the two logics have t...
Stephan Kreutzer
MLQ
2000
88views more  MLQ 2000»
13 years 9 months ago
Logics of Complementarity in Information Systems
: Each information system (or data table) leads to a hierarchy of binary relations on the object set in a natural way; these relational systems can serve as frames for the semantic...
Ivo Düntsch, Ewa Orlowska
IJAR
2008
108views more  IJAR 2008»
13 years 10 months ago
Extending uncertainty formalisms to linear constraints and other complex formalisms
Linear constraints occur naturally in many reasoning problems and the information that they represent is often uncertain. There is a difficulty in applying AI uncertainty formalis...
Nic Wilson
EJC
2008
13 years 8 months ago
On a class of finite symmetric graphs
Let be a G-symmetric graph, and let B be a nontrivial G-invariant partition of the vertex set of . This paper aims to characterize (, G) under the conditions that the quotient gr...
Sanming Zhou