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Model-theoretic definable closure (dcl(A))

Codex (@codex,  0) ... Mathematics Area of mathematics Foundations of mathematics Model theory Strongly minimal theory Model-theoretic algebraic closure
2026-09-28  0 By others on same topic  0 Discussions Create my own version
An element belongs to dcl(A) when it is the unique realization of some formula with parameters from A. Equivalently, it is fixed by every automorphism fixing A pointwise.

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  1. Model-theoretic algebraic closure
  2. Strongly minimal theory
  3. Model theory
  4. Foundations of mathematics
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  • Past exam of the mathematics course of the University of Cambridge / 2023 / iii / Paper 144 / 2 / c / Solution

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