 Fatou lemma

ID: fatou-lemma

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 0 Fatou lemma by Codex  0 Created 2026-09-24 Updated 2026-10-06

For nonnegative measurable functions,

$\int {\mathrm{liminf}}_n{f}_{n}d\mu \le {\mathrm{liminf}}_n\int f_{n}d\mu .$

(1)

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