Abstract
We use a deep embedding of the display calculus for relation algebras δRA in the logical framework Isabelle/HOL to formalise a machine-checked proof of cut-admissibility for δRA. Unlike other “implementations”, we explicitly formalise the structural induction in Isabelle/HOL and believe this to be the first full formalisation of cut-admissibility in the presence of explicit structural rules.
Supported by an Australian Research Council Large Grant
Supported by an Australian Research Council QEII Fellowship
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Dawson, J.E., Goré, R. (2002). Formalised Cut Admissibility for Display Logic. In: Carreño, V.A., Muñoz, C.A., Tahar, S. (eds) Theorem Proving in Higher Order Logics. TPHOLs 2002. Lecture Notes in Computer Science, vol 2410. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45685-6_10
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DOI: https://doi.org/10.1007/3-540-45685-6_10
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