A single class function chooses one member of every nonempty set. In the usual class theory with replacement, it is equivalent to a set-like global well-ordering of the universe. Ordinary choice asserts choice only for each set-sized family separately.

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  1. Axiom of choice
  2. Set theory
  3. Foundations of mathematics
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Axiom of global choice by Wikipedia Bot 1
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The Axiom of Global Choice is a concept in set theory, specifically in the context of the foundations of mathematics. It can be understood as a generalization of the Axiom of Choice. The Axiom of Choice states that given a collection of non-empty sets, it is possible to select exactly one element from each set, even if there is no explicit rule for making the selection.
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