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CADE
1992
Springer
15 years 1 months ago
Implementing the Meta-Theory of Deductive Systems
Abstract. We exhibit a methodology for formulating and verifying metatheorems about deductive systems in the Elf language, an implementation of the LF Logical Framework with an ope...
Frank Pfenning, Ekkehard Rohwedder
EWCBR
2008
Springer
14 years 11 months ago
Increasing Precision of Credible Case-Based Inference
Abstract. Credible case-based inference (CCBI) is a new and theoretically sound inferencing mechanism for case-based systems. In this paper, we formally investigate the level of pr...
Thomas Gabel, Martin Riedmiller
CSL
2010
Springer
14 years 10 months ago
Signature Extensions Preserve Termination - An Alternative Proof via Dependency Pairs
Abstract. We give the first mechanized proof of the fact that for showing termination of a term rewrite system, we may restrict to well-formed terms using just the function symbols...
Christian Sternagel, René Thiemann
ACL2
2006
ACM
15 years 1 months ago
Quantification in tail-recursive function definitions
We investigate the logical issues behind axiomatizing equations that contain both recursive calls and quantifiers in ACL2. We identify a class of such equations, named extended ta...
Sandip Ray
DAGSTUHL
2007
14 years 11 months ago
Prioritized Conditional Imperatives: Problems and a New Proposal
Abstract. The sentences of deontic logic may be understood as describing what an agent ought to do when faced with a given set of norms. If these norms come into conflict, the bes...
Jörg Hansen