This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Axiom of choice.svg en Demonstration of axiom of choice on family of sets indexed by the real numbers Each of the sets has nonzero and possibly infinite number of elements small sample of of the sets in the collection are shown and we choose one element from each The resulting elements indexed with the same real numbers as the sets