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COLORING ISOSCELES TRIANGLES IN CHOICELESS SET THEORY
Published online by Cambridge University Press: 11 September 2023
Abstract
It is consistent relative to an inaccessible cardinal that ZF+DC holds, and the hypergraph of isosceles triangles on $\mathbb {R}^2$ has countable chromatic number while the hypergraph of isosceles triangles on
$\mathbb {R}^3$ has uncountable chromatic number.
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- © The Author(s), 2023. Published by Cambridge University Press on behalf of The Association for Symbolic Logic