[Merged by Bors] - feat(Equicontinuity): equicontinuous family converges on a closed set#6942
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[Merged by Bors] - feat(Equicontinuity): equicontinuous family converges on a closed set#6942
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If `F : ι → X → α`` is an equicontinuous family of functions
and `f : X → α` is a continuous function,
then `{x | Tendsto (F · x) l (𝓝 (f x))}` is a closed set.
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…#6942) If `F : ι → X → α` is an equicontinuous family of functions and `f : X → α` is a continuous function, then `{x | Tendsto (F · x) l (𝓝 (f x))}` is a closed set.
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If
F : ι → X → αis an equicontinuous family of functionsand
f : X → αis a continuous function,then
{x | Tendsto (F · x) l (𝓝 (f x))}is a closed set.