A modal natural deduction system for ${\rm S}4$.

O. A. Robinson

doi:10.1305/ndjfl/1093882670

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Home > Journals > Notre Dame J. Formal Logic > Volume 20 > Issue 3 > Article

July 1979 A modal natural deduction system for ${\rm S}4$.

O. A. Robinson

Notre Dame J. Formal Logic 20(3): 625-627 (July 1979). DOI: 10.1305/ndjfl/1093882670

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Notre Dame J. Formal Logic

Vol.20 • No. 3 • July 1979

Duke University Press

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O. A. Robinson "A modal natural deduction system for ${\rm S}4$.," Notre Dame Journal of Formal Logic, Notre Dame J. Formal Logic 20(3), 625-627, (July 1979)

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