The finite model property for BCK and BCIW |
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Authors: | Robert K Meyer Hiroakira Ono |
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Institution: | (1) Centre for Information Science Research, I-Block, Australian National University, 2601 Canbera, ACT, Australia;(2) School of Inform. Science, Japan Adv. Inst. of Science and Technology, Hokuriku, 923-12 Tatsunokuchi Ishikawa, Japan |
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Abstract: | This paper shows that both implicational logicsBCK andBCIW have the finite model property. The proof of the finite model property forBCIW, which is equal to the relevant logicR
, was originally given by the first author in his unpublished paper 6] in 1973. The finite model property forBCK can be obtained by modifying the proof of that forBCIW. Here, both of these proofs will be given in a unified form and the difference between them will be clarified. Further discussions will be given in the last section.The first author wishes to thank IIAS-SIS (Fujitsu Laboratories Ltd., Numazu) for 9 months hospitality in Japan, and for facilitating this research.Presented byJan Zygmunt |
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