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117
Foundational Extensible Corecursion -- A Proof Assistant Perspective
, 2015
"... This paper presents a formalized framework for defining corecursive functions safely in a total setting, based on corecursion up-to and relational parametricity. The end product is a general corecursor that allows corecursive (and even recursive) calls under “friendly” operations, including construc ..."
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constructors. Friendly corecursive functions can be registered as such, thereby increasing the corecursor’s expressiveness. The metatheory is formalized in the Isabelle proof assistant and forms the core of a prototype tool. The corecursor is derived from first principles, without requiring new axioms
Foundational Extensible Corecursion
, 2014
"... This paper presents a theoretical framework for defining corecur-sive functions safely in a total setting, based on corecursion up-to and relational parametricity. The end product is a general corecur-sor that allows corecursive (and even recursive) calls under well-behaved operations, including con ..."
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Cited by 1 (1 self)
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constructors. Corecursive functions that are well behaved can be registered as such, thereby increasing the corecursor’s expressiveness. To the extensible corecursor cor-responds an equally flexible coinduction principle. The metatheory is formalized in the Isabelle proof assistant and forms the core of a
Walton Final Proof.pdf
"... To understand the difficulty of defining the term 'culture' and appreciate the multidisciplinary and complex character of cultural studies. To get a sense of the way cultural studies (using the British context) has been Concepts The key concepts introduced in this chapter are: cultural s ..."
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broadly British cultural studies' perspective, and this needs to be kept in mind. As Graeme Turner (a key figure in Australian cultural studies) has observed, alternative traditions of cultural studies tend to have to announce themselves as such, something which suggests a certain Anglo
Type-based productivity of stream definitions in the calculus of constructions
- In LICS’13
, 2013
"... Abstract—Productivity of corecursive definitions is an essential property in proof assistants since it ensures logical consistency and decidability of type checking. Type-based mechanisms for ensuring productivity use types annotated with size information to track the number of elements produced in ..."
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Cited by 3 (0 self)
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in corecursive definitions. In this paper, we propose an extension of the Calculus of Constructions—the theory underlying the Coq proof assistant—with a type-based criterion for ensuring productivity of stream definitions. We prove strong normalization and logical consistency. Furthermore, we define an algorithm
Perspective An Online Bioinformatics Curriculum
"... Abstract: Online learning initia-tives over the past decade have become increasingly comprehen-sive in their selection of courses and sophisticated in their presen-tation, culminating in the recent announcement of a number of consortium and startup activities that promise to make a university educat ..."
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Abstract: Online learning initia-tives over the past decade have become increasingly comprehen-sive in their selection of courses and sophisticated in their presen-tation, culminating in the recent announcement of a number of consortium and startup activities that promise to make a university
Beliefs, Doubts, and Learning: Valuing Macroeconomic
- Risk, American Economic Review
, 2007
"... cover in this paper have been influenced by an extensive collaboration with Thomas Sargent. I greatly appreciate conversations with Xiaohong Chen, John Heaton, Ravi Jagannathan, Monika Piazzesi and Martin Schneider. I owe a special acknowledgement to Thomas Sargent and Grace Tsiang who provided many ..."
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Cited by 46 (6 self)
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cover in this paper have been influenced by an extensive collaboration with Thomas Sargent. I greatly appreciate conversations with Xiaohong Chen, John Heaton, Ravi Jagannathan, Monika Piazzesi and Martin Schneider. I owe a special acknowledgement to Thomas Sargent and Grace Tsiang who provided
Interactive Theorem Provers from the perspective of Isabelle/Isar
"... Abstract. Interactive Theorem Provers have a long tradition, going back to the 1970s when interaction was introduced as a concept in computing. The main provers in use today can be traced back over 20–30 years of development. As common traits there are usually strong logical systems at the bottom, w ..."
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in the ambition to deliver a sophisticated system to end-users without requiring self-assembly of individual parts. Isabelle today is probably the most advanced proof assistant concerning its overall architecture and extra-logical infrastructure. The “Isar ” aspect of Isabelle refers first to the structured
Chapter 12 Rough Sets and Rough Logic: A KDD Perspective
"... Abstract Basic ideas of rough set theory were proposed by Zdzis law Pawlak [85, 86] in the early 1980’s. In the ensuing years, we have witnessed a systematic, world–wide growth of interest in rough sets and their applications. The main goal of rough set analysis is induction of approximations of con ..."
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Abstract Basic ideas of rough set theory were proposed by Zdzis law Pawlak [85, 86] in the early 1980’s. In the ensuing years, we have witnessed a systematic, world–wide growth of interest in rough sets and their applications. The main goal of rough set analysis is induction of approximations
A multi-modal data access framework for spatial assistance systems: use-cases with the building information model (bim/ifc
, 2010
"... Spatial assistance systems are computational embodiments of spatial decision-making and other forms of analytical abil-ities that otherwise typically require extensive domain-specific training, knowledge, and expertise. Broadly, such systems are essentially instruments of assistance, assurance and e ..."
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Cited by 4 (2 self)
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and em-powerment. Whereas these systems may vary in the domain of application and the precise manner of intelligent assis-tance, there exist several fundamental similarities from a systemic and information-theoretic viewpoint with regard to the ontological and computational foundations that underlie
Approached from an interactionist perspective
"... Qu ua al li it ta at ti iv ve e S So oc ci io ol lo og gy y R Re ev vi ie ew w V Vo ol lu um me e I IV V I Is ss su ue e 1 1 w ww ww w. .q qu ua al li it ta at ti iv ve es so oc ci io ol lo og gy yr re ev vi ie ew w. .o or rg g 3 3 Q Qu ua al li it ta at ti iv ve e S So oc ci io ol lo og gy y R Re ..."
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comparisons. Then, noting that Lycinus seldom has been generous in his assessments of others, Polystratus encourages Lycinus to be more restrained in his compliments in this case. As well, Polystratus says, even the great sculptor Phidias [also Pheidias] extensively reworked a statue of Zeus after
Results 1 - 10
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