StrictConcaveOn.slope_lt_of_hasDerivAt

∀ {S : Set ℝ} {f : ℝ → ℝ} {x y f' : ℝ},
  StrictConcaveOn ℝ S f → x ∈ S → y ∈ S → x < y → HasDerivAt f f' x → slope f x y < f'

Defined in: Mathlib.Analysis.Convex.Deriv
Cited by: 1 results in Mathlib
Foundations: Depth 173 from the axioms · uses propext, Classical.choice, Quot.sound

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