Last Updated：2025/11/23
Sentence
その数学者は、すべての可算順序数が各非空部分集合に最小元を持つ全順序を与えられることを示し、それによって超限帰納法が容易になった。
Quizzes for review
The mathematician showed that every countable ordinal admits a well-order, which made transfinite induction straightforward.
See correct answer
The mathematician showed that every countable ordinal admits a well-order, which made transfinite induction straightforward.
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