On the necessity of ${\rm S}4$.

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

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July 1979 On the necessity of ${\rm S}4$.

Kwasi Wiredu

Notre Dame J. Formal Logic 20(3): 689-694 (July 1979). DOI: 10.1305/ndjfl/1093882679

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Notre Dame J. Formal Logic

Vol.20 • No. 3 • July 1979

Duke University Press

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Kwasi Wiredu "On the necessity of ${\rm S}4$.," Notre Dame Journal of Formal Logic, Notre Dame J. Formal Logic 20(3), 689-694, (July 1979)

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