Abstract
We give a procedure for counting the number of different proofs of a formula in various sorts of propositional logic. This number is either an integer (that may be 0 if the formula is not provable) or infinite.
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Research described in this paper is supported by Polish Ministry of Science and Higher Education grant NN206 356236.
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David, R., Zaionc, M. Counting proofs in propositional logic. Arch. Math. Logic 48, 185–199 (2009). https://doi.org/10.1007/s00153-009-0119-5
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DOI: https://doi.org/10.1007/s00153-009-0119-5