Last Updated:2025/11/21
(set theory) One of the axioms of set theory, equivalent to the statement that an arbitrary direct product of non-empty sets is non-empty; any version of said axiom, for example specifying the cardinality of the number of sets from which choices are made.
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axiom of choice
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Source Word
axiom of choice
Noun
countable
uncountable
Japanese Meaning
集合論における公理の一種であり、任意の非空集合の族から各集合の要素を選ぶことで形成される直積集合が非空であることを保証する原理。
( plural )