AI Dictionary & Vocabulary App "DiQt"

Last Updated：2025/11/24

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In the standard topology on R, 0 is a limit point of the set {1/n : n ∈ N} because every neighborhood of 0 contains some 1/n distinct from 0.

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Source Sentence

In the standard topology on R, 0 is a limit point of the set {1/n : n ∈ N} because every neighborhood of 0 contains some 1/n distinct from 0.

標準位相を持つ実数直線では、0は集合{1/n : n∈N}の極限点であり、0の任意の近傍には0と異なる1/nが含まれる。