Specifications in an arbitrary institution
Information and Computation - Semantics of Data Types
A framework for defining logics
Journal of the ACM (JACM)
IMPS: an interactive mathematical proof system
Journal of Automated Reasoning
Toward a foundational typed assembly language
POPL '03 Proceedings of the 30th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Towards an Evolutionary Formal Software-Development Using CASL
WADT '99 Selected papers from the 14th International Workshop on Recent Trends in Algebraic Development Techniques
Handbook of automated reasoning
LICS '95 Proceedings of the 10th Annual IEEE Symposium on Logic in Computer Science
Towards a mechanized metatheory of standard ML
Proceedings of the 34th annual ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Representing Model Theory in a Type-Theoretical Logical Framework
Electronic Notes in Theoretical Computer Science (ENTCS)
Constructive type classes in Isabelle
TYPES'06 Proceedings of the 2006 international conference on Types for proofs and programs
An executable formalization of the HOL/Nuprl connection in the metalogical framework twelf
LPAR'06 Proceedings of the 13th international conference on Logic for Programming, Artificial Intelligence, and Reasoning
STEXIDE: an integrated development environment for STEX collections
AISC'10/MKM'10/Calculemus'10 Proceedings of the 10th ASIC and 9th MKM international conference, and 17th Calculemus conference on Intelligent computer mathematics
Towards MKM in the large: modular representation and scalable software architecture
AISC'10/MKM'10/Calculemus'10 Proceedings of the 10th ASIC and 9th MKM international conference, and 17th Calculemus conference on Intelligent computer mathematics
Change management for heterogeneous development graphs
Verification, induction termination analysis
Change management for heterogeneous development graphs
Verification, induction termination analysis
Representing model theory in a type-theoretical logical framework
Theoretical Computer Science
Combining source, content, presentation, narration, and relational representation
MKM'11 Proceedings of the 18th Calculemus and 10th international conference on Intelligent computer mathematics
Project abstract: logic atlas and integrator (LATIN)
MKM'11 Proceedings of the 18th Calculemus and 10th international conference on Intelligent computer mathematics
A proof theoretic interpretation of model theoretic hiding
WADT'10 Proceedings of the 20th international conference on Recent Trends in Algebraic Development Techniques
Towards logical frameworks in the heterogeneous tool set hets
WADT'10 Proceedings of the 20th international conference on Recent Trends in Algebraic Development Techniques
LF in LF: mechanizing the metatheories of LF in twelf
Proceedings of the seventh international workshop on Logical frameworks and meta-languages, theory and practice
Structural logical relations with case analysis and equality reasoning
Proceedings of the Eighth ACM SIGPLAN international workshop on Logical frameworks & meta-languages: theory & practice
Information and Computation
Logical relations for a logical framework
ACM Transactions on Computational Logic (TOCL)
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Module systems for proof assistants provide administrative support for large developments when mechanizing the meta-theory of programming languages and logics. We describe a module system for the logical framework LF that is based on two main primitives: signatures and signature morphisms. Signatures are defined as collections of constant declarations, and signature morphisms as homo-morphism in between them. Our design is semantically transparent in the sense that it is always possible to elaborate modules into the module free version of LF. We have implemented our design as part of the Twelf system and rewritten parts of the Twelf example library to take advantage of the module system.