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Liminf of Indicator Sequence is Indicator of Liminf

Last updated Nov 1, 2022

# Statement

Let $({A}{n}){n=1}^{\infty} \subset X$ be a Sequence of Sets. Then $$\liminf\limits_{n \to \infty} \mathbb{1}{A{n}} = \mathbb{1}{\liminf\limits{n \to \infty} A_{n}}.$$

# Proof

TODO similar to Limsup of Indicator Sequence is Indicator of Limsup

# Other Outlinks