"Necessity and ticket entailment."

John R. Chidgey, R. Zane Parks (1972)

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DOI: 10.1305/NDJFL/1093894719

access: closed

type: Journal Article

metadata version: 2020-05-21

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John R. Chidgey, R. Zane Parks:
Necessity and ticket entailment. Notre Dame J. Formal Log. 13(2): 224-226 (1972)

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