Decidability of the Two-Quantifier Theory of the Recursively Enumerable Weak Truth-Table Degrees and Other Distributive Upper Semi-Lattices

Klaus Ambos-Spies, Peter A. Fejer, Steffen Lempp, Manuel Lerman. Decidability of the Two-Quantifier Theory of the Recursively Enumerable Weak Truth-Table Degrees and Other Distributive Upper Semi-Lattices. Journal of Symbolic Logic, 61(3):880-905, 1996.

Abstract

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