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ATAL
2004
Springer
14 years 2 months ago
The Insufficiency of Formal Design Methods - The Necessity of an Experimental Approach - for the Understanding and Control of Co
We highlight the limitations of formal methods by exhibiting two results in recursive function theory: that there is no effective means of finding a program that satisfies a given...
Bruce Edmonds, Joanna Bryson
CONTEXT
1999
Springer
14 years 28 days ago
The Formal Structure of Ecological Contexts
This paper presents the outline of a formal ontology of contexts. More specifically, it deals with the ontology of ecological contexts (niches, habitats, environments, ambients) an...
Barry Smith, Achille C. Varzi
MPC
1998
Springer
83views Mathematics» more  MPC 1998»
14 years 25 days ago
Nested Datatypes
A nested datatype, also known as a non-regular datatype, is a parametrised datatype whose declaration involves different instances of the accompanying type parameters. Nested datat...
Richard S. Bird, Lambert G. L. T. Meertens
KR
1998
Springer
14 years 26 days ago
A Qualitative Theory of Motion Based on Spatio-Temporal Primitives
This paper presents a formal theory for reasoning about motion of spatial entities, in a qualitative framework. Taking over a theory intended forspatial entities, we enrich ittoac...
Philippe Muller
TYPES
2000
Springer
14 years 6 days ago
Collection Principles in Dependent Type Theory
We introduce logic-enriched intuitionistic type theories, that extend intuitionistic dependent type theories with primitive judgements to express logic. By adding type theoretic ru...
Peter Aczel, Nicola Gambino