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A note on the normal form of closed formulas of interpretability logic
Studia Logica 50 (1):25 - 28 (1991)
Abstract
Each closed (i.e. variable free) formula of interpretability logic is equivalent in ILF to a closed formula of the provability logic G, thus to a Boolean combination of formulas of the form n.My notes
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Citations of this work
Provability and Interpretability Logics with Restricted Realizations.Thomas F. Icard & Joost J. Joosten - 2012 - Notre Dame Journal of Formal Logic 53 (2):133-154.
The Closed Fragment of the Interpretability Logic of PRA with a Constant for $\mathrm{I}\Sigma_1$.Joost J. Joosten - 2005 - Notre Dame Journal of Formal Logic 46 (2):127-146.
On the share of closed IL formulas which are also in GL.Vedran Čačić & Vjekoslav Kovač - 2015 - Archive for Mathematical Logic 54 (7-8):741-767.
References found in this work
On deciding the truth of certain statements involving the notion of consistency.George Boolos - 1976 - Journal of Symbolic Logic 41 (4):779-781.
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