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- logic, two structures M and N of the same signature σ are called elementarily equivalent if they satisfy the same first-order σ-sentences. If N is a substructure...8 KB (956 words) - 00:42, 21 September 2023
- based on game semantics for determining whether two structures are elementarily equivalent. The main application of Ehrenfeucht–Fraïssé games is in proving...10 KB (1,295 words) - 21:45, 16 May 2023
- P} is prime if it admits an elementary embedding into any model M {\displaystyle M} to which it is elementarily equivalent (that is, into any model M {\displaystyle...4 KB (508 words) - 22:20, 20 November 2022
- Benacerraf's identification problem. Benacerraf noted that there are elementarily equivalent, set-theoretic ways of relating natural numbers to pure sets. However...13 KB (1,359 words) - 13:24, 27 June 2024
- meta-level, set-theoretic falsehood, namely in relation to other elementarily-equivalent set-theories not identical to the one chosen. The identification...8 KB (1,012 words) - 03:16, 21 July 2024
- Field (mathematics) (section Elementary notions)theorem, the degree of this extension is necessarily 2, and F is elementarily equivalent to R. Such fields are also known as real closed fields. Any field...86 KB (10,288 words) - 21:22, 28 June 2024
- fields have equivalent valuation groups and residue fields, and the residue fields have characteristic 0, then they are elementarily equivalent (which means...7 KB (917 words) - 10:52, 22 March 2024
- need not be a strongly minimal theory, that is, there may be an elementarily equivalent structure that is not minimal. O-minimal structures can be defined...11 KB (1,294 words) - 21:21, 20 March 2024
- over its minimal convex subgroup is divisible. Such groups are elementarily equivalent to the integers ( Z , + , < ) {\displaystyle (\mathbb {Z} ,+,<)}...7 KB (889 words) - 01:36, 13 November 2023
- word-hyperbolic groups and to characterize all groups that are elementarily equivalent to (that is, have the same first-order theory as) a given torsion-free...17 KB (1,850 words) - 05:56, 22 April 2024
- consistent, effective first-order theory has models that are not elementarily equivalent, a stronger limitation than the one established by the Löwenheim–Skolem...68 KB (8,331 words) - 19:05, 19 June 2024
- Model theory (section Non-elementary model theory)ultrapowers, they are elementarily equivalent. The Keisler-Shelah theorem provides a converse: If M and N are elementary equivalent, then there is a set...62 KB (9,048 words) - 21:05, 25 June 2024
- Real closed field (redirect from Elementary theory of the reals)field is a field F in which any of the following equivalent conditions is true: F is elementarily equivalent to the real numbers. In other words, it has the...21 KB (2,974 words) - 05:47, 20 April 2024
- show that any two countable atomic models of a theory that are elementarily equivalent are isomorphic. Some authors refer to complete formulas as "atomic...3 KB (344 words) - 00:48, 6 January 2023
- Row equivalence (redirect from Equivalent Matrix)row equivalent if one can be changed to the other by a sequence of elementary row operations. Alternatively, two m × n matrices are row equivalent if and...6 KB (817 words) - 08:48, 9 February 2023
- satisfies the substitution axioms for equality can be cut down to an elementarily equivalent interpretation on a subset of the original domain. Thus there is...32 KB (4,421 words) - 20:08, 14 February 2024
- constant, defined as the electric charge carried by a single proton or, equivalently, the magnitude of the negative electric charge carried by a single electron...22 KB (2,580 words) - 23:09, 22 May 2024
- whether two model-theoretic structures were elementarily equivalent. This method of determining elementary equivalence was later formulated as the Ehrenfeucht–Fraïssé...4 KB (281 words) - 23:51, 12 April 2023
- any structure containing it. Two structures are defined to be elementarily equivalent if they agree about the truth value of all sentences in their shared...8 KB (1,259 words) - 06:44, 5 May 2023
- p-adically closed fields as those whose first-order theory is elementarily equivalent to that of Q p {\displaystyle \mathbb {Q} _{p}} . Ax & Kochen (1965)...7 KB (1,142 words) - 16:45, 29 December 2022
- the Elements Elementary? by Frank Wigglesworth Clarke 591293Popular Science Monthly Volume 8 February 1876 — Are the Elements Elementary?1876Frank Wigglesworth
- plane figures are equivalent if they can be divide into the same number of figures... congruent, in pairs. They shall be called equivalent by completion if
- 2 diagonalizable diagonalized eigenvalue eigenvector elementary reduction 1, :2 entry equivalent form identity 1, 2 incidence inverse 1, 2 existence left