On predicate letter formulas which have no substitution instances provable in a first order language.
Kenneth Weston
Source: Notre Dame J. Formal Logic Volume 6, Number 4
(1965), 296-300.
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02.70
Full-text: Open access
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Permanent link to this document: http://projecteuclid.org/euclid.ndjfl/1093958337
Zentralblatt MATH identifier: 0158.24804
Mathematical Reviews number (MathSciNet): MR0210585
Digital Object Identifier: doi:10.1305/ndjfl/1093958337
Notre Dame Journal of Formal Logic
