Abella: A System for Reasoning about Relational Specifications
DOI:
https://doi.org/10.6092/issn.1972-5787/4650Abstract
The Abella interactive theorem prover is based on an intuitionistic logic that allows for inductive and co-inductive reasoning over relations. Abella supports the λ-tree approach to treating syntax containing binders: it allows simply typed λ-terms to be used to represent such syntax and it provides higher-order (pattern) unification, the nabla quantifier, and nominal constants for reasoning about these representations. As such, it is a suitable vehicle for formalizing the meta-theory of formal systems such as logics and programming languages. This tutorial exposes Abella incrementally, starting with its capabilities at a first-order logic level and gradually presenting more sophisticated features, ending with the support it offers to the two-level logic approach to meta-theoretic reasoning. Along the way, we show how Abella can be used prove theorems involving natural numbers, lists, and automata, as well as involving typed and untyped λ-calculi and the π-calculus.Downloads
Published
2014-12-30
How to Cite
Baelde, D., Chaudhuri, K., Gacek, A., Miller, D., Nadathur, G., Tiu, A., & Wang, Y. (2014). Abella: A System for Reasoning about Relational Specifications. Journal of Formalized Reasoning, 7(2), 1–89. https://doi.org/10.6092/issn.1972-5787/4650
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Copyright (c) 2015 David Baelde, Kaustuv Chaudhuri, Andrew Gacek, Dale Miller, Gopalan Nadathur, Alwen Tiu, Yuting Wang
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