The Feferman–Vaught theorem in model theory is a theorem by Solomon Feferman and Robert Lawson Vaught that shows how to reduce, in an algorithmic way...

Society. Feferman, Solomon; Vaught, Robert L. (1959), "The first order properties of products of algebraic systems", Fund. Math. 47, 57–103. Feferman, Solomon...

introducing the Vaught transform. He is known for the Tarski–Vaught test for elementary substructures, the Feferman–Vaught theorem, the Łoś–Vaught test for completeness...

Erdős–Rado theorem (set theory) Feferman–Vaught theorem (model theory) Friedberg–Muchnik theorem (mathematical logic) Fundamental theorem of equivalence...

addition of sequences. The decidability then follows from the Feferman–Vaught theorem that can be shown using quantifier elimination. Another way of...

topics Löwenheim–Skolem theorem – Existence and cardinality of models of logical theories Truss 1997. J. Barwise, S. Feferman, eds., Model-Theoretic Logics...

Encyclopedia of Philosophy. Feferman A. Feferman & Feferman, p.1 Feferman & Feferman, pp.17-18 Feferman & Feferman, p.26 Feferman & Feferman, p.294 "Most of the...

Direct sum of topological groups Restricted product Whitney sum Feferman–Vaught theorem Thomas W. Hungerford, Algebra, p.60, Springer, 1974, ISBN 0387905189...

"All three commentators [i.e. Vaught, van Heijenoort and Dreben] agree that both the completeness and compactness theorems were implicit in Skolem 1923...

rejection. Combining a monadic theory with a first order theory: Feferman–Vaught theorem extends/applies as follows. If M is an MSO model and N is a first...

Tarski–Seidenberg theorem. Quantifier elimination can also be used to show that "combining" decidable theories leads to new decidable theories (see Feferman–Vaught theorem)...

Massachusetts Institute of Technology student Steven R. Bell on Fefferman's theorem on the smooth extension of biholomorphisms to the boundaries of their domains...

Reprinted in English translation in Gödel's Collected Works, vol II, Solomon Feferman et al., eds. Oxford University Press, 1993. van Heijenoort, Jean, ed. (1976)...

definable sets. They use and extend foundational work by Solomon Feferman and Robert Vaught on the first-order theory of products of algebraic structures...

LO]. Gurevich, Yuri, "Monadic Second-Order Theories," in J. Barwise, S. Feferman, eds., Model-Theoretic Logics (New York: Springer-Verlag, 1985), 479–506...

Descriptive Set Theory The Eighth Annual Gödel Lecture 1997 1997 Solomon Feferman, Occupations and Preoccupations with Gödel: His*Works* and the Work The...

Solidaridad Obrera (periodical) Solidaridad Obrera (union) Solipsism Solomon Feferman Solomon ibn Gabirol Solvitur ambulando Somatherapy Some Thoughts Concerning...

Logic. 51 (4). ASL: 869–882. doi:10.2307/2273900. JSTOR 2273900. Feferman & Feferman, p. 1 Mulligan, Kevin; Simons, Peter; Smith, Barry (1984). "Truth-Makers"...