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» Extensions to the Estimation Calculus
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LPAR
1999
Springer
13 years 8 months ago
Extensions to the Estimation Calculus
Abstract. Walther’s estimation calculus was designed to prove the termination of functional programs, and can also be used to solve the similar problem of proving the well-founde...
Jeremy Gow, Alan Bundy, Ian Green
PROCOMET
1998
13 years 5 months ago
An extension of the program derivation format
A convention is proposed for embedding program statements into Dijkstra's calculus, with the aim of simplifying the stepwise construction of programs.
A. J. M. van Gasteren, A. Bijlsma
ECOOP
1998
Springer
13 years 8 months ago
An Imperative, First-Order Calculus with Object Extension
This paper presents an imperative object calculus designed to support class-based programming via a combination of extensible objects and encapsulation. This calculus simplifies th...
Viviana Bono, Kathleen Fisher
CORR
2010
Springer
85views Education» more  CORR 2010»
13 years 4 months ago
The Lambek-Grishin calculus is NP-complete
The Lambek-Grishin calculus LG is the symmetric extension of the non-associative Lambek calculus NL. In this paper we prove that the derivability problem for LG is NP-complete.
Jeroen Bransen
APAL
2006
107views more  APAL 2006»
13 years 4 months ago
Frege systems for extensible modal logics
By a well-known result of Cook and Reckhow [4, 12], all Frege systems for the Classical Propositional Calculus (CPC) are polynomially equivalent. Mints and Kojevnikov [11] have re...
Emil Jerábek