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» Unions and the axiom of choice
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LFP
1990
171views more  LFP 1990»
13 years 8 months ago
Operational and Axiomatic Semantics of PCF
PCF, as considered in this paper, is a lazy typed lambda calculus with functions, pairing, fixed-point operators and arbitrary algebraic data types. The natural equational axioms ...
Brian T. Howard, John C. Mitchell
ER
2006
Springer
137views Database» more  ER 2006»
13 years 11 months ago
Preference Functional Dependencies for Managing Choices
Abstract. The notion of user preference in database modeling has recently received much attention in advanced applications, such as personalization of e-services, since it captures...
Wilfred Ng
ACL
1994
13 years 9 months ago
Priority Union and Generalization in Discourse Grammars
We describe an implementation in Carpenter's typed feature formalism, ALE, of a discourse grammar of the kind proposed by Scha, Polanyi, et al. We examine their method for re...
Claire Grover, Chris Brew, Suresh Manandhar, Marc ...
MSCS
2006
100views more  MSCS 2006»
13 years 7 months ago
Modified bar recursion
Modified bar recursion has been used to give a realizability interpretation of the classical axioms of countable and dependent choice. In this paper we survey the main results con...
Ulrich Berger, Paulo Oliva
TYPES
2000
Springer
13 years 11 months ago
A Tour with Constructive Real Numbers
Abstract. The aim of this work is to characterize constructive real numbers through a minimal axiomatization. We introduce, discuss and justify 16 constructive axioms. Then we addr...
Alberto Ciaffaglione, Pietro Di Gianantonio