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Theorems · Theorem · real analysis

Real.posLog_prod

∀ {α : Type u_1} (s : Finset α) (f : α → ℝ), (∏ t ∈ s, f t).posLog ≤ ∑ t ∈ s, (f t).posLog

Estimate for log⁺ of a product. See Real.posLog_mul for a variant with only two factors.

Defined in
Mathlib.Analysis.SpecialFunctions.Log.PosLog
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Foundations
Depth 173 from the axioms · uses propext, Classical.choice, Quot.sound

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