HasStrictDerivAt.log

∀ {f : ℝ → ℝ} {x f' : ℝ}, HasStrictDerivAt f f' x → f x ≠ 0 → HasStrictDerivAt (fun y => Real.log (f y)) (f' / f x) x

Defined in: Mathlib.Analysis.SpecialFunctions.Log.Deriv
Cited by: 0 results in Mathlib
Foundations: Depth 203 from the axioms · uses propext, Classical.choice, Quot.sound

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