Abstract
In this paper, we introduce a cut-free sequent calculus for minimal conditional logic CK and three extensions of it: namely, with ID, MP and both of them. The calculus uses labels and transition formulas and can be used to prove decidability and space complexity bounds for the respective logics. As a first result, we show that CK can be decided in O(n log n) space.
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Olivetti, N., Schwind, C.B. (2001). A Calculus and Complexity Bound for Minimal Conditional Logic. In: Theoretical Computer Science. ICTCS 2001. Lecture Notes in Computer Science, vol 2202. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45446-2_25
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DOI: https://doi.org/10.1007/3-540-45446-2_25
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