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» Logical systems for structured specifications
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FMCO
2004
Springer
123views Formal Methods» more  FMCO 2004»
15 years 8 months ago
rCOS: Refinement of Component and Object Systems
Abstract. We present a model of object-oriented and component-based refinement. For object-orientation, the model is class-based and refinement is about correct changes in the stru...
Zhiming Liu, Jifeng He, Xiaoshan Li
CORR
2008
Springer
126views Education» more  CORR 2008»
15 years 4 months ago
A TLA+ Proof System
We describe an extension to the TLA+ specification language with constructs for writing proofs and a proof environment, called the Proof Manager (PM), to checks those proofs. The ...
Kaustuv Chaudhuri, Damien Doligez, Leslie Lamport,...
FPGA
1995
ACM
118views FPGA» more  FPGA 1995»
15 years 8 months ago
An SBus Monitor Board
During the development of computer peripherals which interface to the processor via the system bus it is often necessary to acquire the signals on the bus at the hardware level. I...
H. A. Xie, Kevin E. Forward, K. M. Adams, D. Leask
TACAS
2005
Springer
124views Algorithms» more  TACAS 2005»
15 years 10 months ago
Dynamic Symmetry Reduction
Abstract. Symmetry reduction is a technique to combat the state explosion problem in temporal logic model checking. Its use with symbolic representation has suffered from the proh...
E. Allen Emerson, Thomas Wahl
VL
2002
IEEE
105views Visual Languages» more  VL 2002»
15 years 9 months ago
A Visual Framework for Modelling with Heterogeneous Notations
There is a range of modelling notations, both textual and diagrammatic, whose semantics are based on first-order predicate logic. This paper presents a visual framework for organ...
Jean Flower, John Howse, John Taylor, Stuart Kent