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This article is cited in 1 scientific paper (total in 1 paper)
Invariant properties of systems of formulas of elementary axiomatic
theories
M. M. Kipnis
Abstract:
Under a natural definition of the properties indicated in the title, we prove the undecidability of any such properties in the case of sufficiently powerful elementary theories.
In terms of invariant properties we shall formulate a general proposition which has as corollaries various results about realizable and deductively valid disjunctions of predicate formulas.
Received: 04.07.1969
Citation:
M. M. Kipnis, “Invariant properties of systems of formulas of elementary axiomatic
theories”, Math. USSR-Izv., 4:5 (1970), 965–978
Linking options:
https://www.mathnet.ru/eng/im2454https://doi.org/10.1070/IM1970v004n05ABEH000940 https://www.mathnet.ru/eng/im/v34/i5/p963
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