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Liberated versions ofT, S4, andS5

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References

  1. Hughes, G.E., Cresswell, M.J.: An Introduction to Modal Logic. Methuen, London, 1968.

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  2. Lambert, K., Leblanc, H., Meyer, R.: A Liberated Version ofS5. Arch. math. Logik, Vol.12 (1969), 151–154.

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  3. Morgan, C.G.: Weak Liberated Versions ofT andS4. Journal of Symbolic Logic, Vol. 40 (1975), 25–30.

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Authors and Affiliations

  1. Edmonton, Alberta, Canada

    Charles G. Morgan

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  1. Charles G. Morgan
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This research was supported by a grant from the Killam Foundation, administered by the Canada Council.

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Morgan, C.G. Liberated versions ofT, S4, andS5. Arch math Logik 17, 85–90 (1975). https://doi.org/10.1007/BF02276795

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  • DOI: https://doi.org/10.1007/BF02276795

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