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Extensional and Intensional Strategies

Bourdier, Tony ; Cirstea, Horatiu ; Dougherty, Daniel ; Kirchner, Hélène

Electronic proceedings in theoretical computer science, 2010-01, Vol.15 (Proc. WRS 2009), p.1-19

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Título:
Extensional and Intensional Strategies
Autor: Bourdier, Tony ; Cirstea, Horatiu ; Dougherty, Daniel ; Kirchner, Hélène
Assuntos: Computer Science ; Logic in Computer Science
É parte de: Electronic proceedings in theoretical computer science, 2010-01, Vol.15 (Proc. WRS 2009), p.1-19
Descrição: This paper is a contribution to the theoretical foundations of strategies. We first present a general definition of abstract strategies which is extensional in the sense that a strategy is defined explicitly as a set of derivations of an abstract reduction system. We then move to a more intensional definition supporting the abstract view but more operational in the sense that it describes a means for determining such a set. We characterize the class of extensional strategies that can be defined intensionally. We also give some hints towards a logical characterization of intensional strategies and propose a few challenging perspectives.
Editor: EPTCS
Idioma: Inglês

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