Last Updated:2025/11/25

Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.

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Every T₁ space guarantees that singletons are closed, which simplifies many proofs in topology.

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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。

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