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PPDP
2010
Springer

Permissive-nominal logic

11 years 8 months ago
Permissive-nominal logic
Permissive-Nominal Logic (PNL) is an extension of firstorder logic where term-formers can bind names in their arguments. This allows for direct axiomatisations with binders, such as the ∀-quantifier of first-order logic itself and the λ-binder of the lambda-calculus. This also allows us to finitely axiomatise arithmetic. Like first- and higher-order logic and unlike other nominal logics, equality reasoning is not necessary to α-rename. All this gives PNL much of the expressive power of higher-order logic, but terms, derivations and models of PNL are first-order in character, and the logic seems to strike a good balance between expressivity and simplicity. Categories and Subject Descriptors F.4.1 [Mathematical Logic]: Proof theory—Nominal techniques General Terms Theory Keywords First-order logic, permissive-nominal terms, mechanized mathematics.
Gilles Dowek, Murdoch James Gabbay
Added 29 Jan 2011
Updated 29 Jan 2011
Type Journal
Year 2010
Where PPDP
Authors Gilles Dowek, Murdoch James Gabbay
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