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» The Algebra of Equality Proofs
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RTA
2005
Springer
14 years 15 days ago
The Algebra of Equality Proofs
Proofs of equalities may be built from assumptions using proof rules for reflexivity, symmetry, and transitivity. Reflexivity is an axiom proving x=x for any x; symmetry is a 1-p...
Aaron Stump, Li-Yang Tan
JAR
2010
98views more  JAR 2010»
13 years 1 months ago
Proof-Guided Test Selection from First-Order Specifications with Equality
This paper deals with test case selection from axiomatic specifications whose axioms are quantifier-free first-order formulas with equality. We first prove the existence of an ide...
Delphine Longuet, Marc Aiguier, Pascale Le Gall
LPAR
2010
Springer
13 years 5 months ago
On the Equality of Probabilistic Terms
We consider a mild extension of universal algebra in which terms are built both from deterministic and probabilistic variables, and are interpreted as distributions. We formulate a...
Gilles Barthe, Marion Daubignard, Bruce M. Kapron,...
FOSSACS
2010
Springer
14 years 1 months ago
Incremental Pattern-Based Coinduction for Process Algebra and Its Isabelle Formalization
We present a coinductive proof system for bisimilarity in transition systems specifiable in the de Simone SOS format. Our coinduction is incremental, in that it allows building in...
Andrei Popescu, Elsa L. Gunter
TYPES
2000
Springer
13 years 10 months ago
A Constructive Proof of the Fundamental Theorem of Algebra without Using the Rationals
Abstract. In the FTA project in Nijmegen we have formalized a constructive proof of the Fundamental Theorem of Algebra. In the formalization, we have first defined the (constructiv...
Herman Geuvers, Freek Wiedijk, Jan Zwanenburg