An Environment for Formal Systems

T.G. Griffin

Abstract: This report describes the Environment for Formal Systems, EFS, that allows a user to interactively define the syntax and inference rules of a formal system and to construct proofs in the defined system. The EFS supports two AUTOMATH-like formalisms for encoding logics: the Edinburgh Logical Framework and the Calculus of Constructions. Facilities are provided for the definition of notational abbreviations and the construction of goal-directed proofs. New goal-directed rules can be interactively defined and checked for validity. The EFS was implemented with the Cornell Synthesizer Generator.

LFCS report ECS-LFCS-87-34

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