Last Updated：2025/11/25
Sentence
すべてのT1位相空間では、単点集合が閉集合となり、位相に関する多くの証明が簡略化されます。
Quizzes for review
Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.
See correct answer
Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.
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