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Theorems · Theorem · real analysis

Real.posLog_mul

∀ {x y : ℝ}, (x * y).posLog ≤ x.posLog + y.posLog

Estimate for log⁺ of a product. See Real.posLog_prod for a variant involving multiple factors.

Defined in
Mathlib.Analysis.SpecialFunctions.Log.PosLog
Cited by
3 results in Mathlib
Foundations
Depth 172 from the axioms · uses propext, Classical.choice, Quot.sound

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