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The diagrams of formulas of the intuitionistic propositional calculus. (English) Zbl 0322.02021

MSC:

03B55 Intermediate logics
Full Text: DOI

References:

[1] S. C. Kleene:Introduction to Metamathematics. Amsterdam 1952; North-Holland Publishing Co.
[2] A. Wasilewska:The diagrams of formulas for the modal propositional S4calculus. Studia Logica, vol. XXX (1972), pp. 69–78. · Zbl 0279.02011 · doi:10.1007/BF02120833
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