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theorem proved term proof

dAlembert_to_ODE_hypothesis_of_contDiff

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formal statement (Lean)

 132theorem dAlembert_to_ODE_hypothesis_of_contDiff
 133    (Hf : ℝ → ℝ) (h_diff : ContDiff ℝ 2 Hf) :
 134    dAlembert_to_ODE_hypothesis Hf := by

proof body

Term-mode proof.

 135  intro _ _ h_dAlembert h_deriv2_zero
 136  exact dAlembert_to_ODE_of_contDiff Hf h_dAlembert h_diff h_deriv2_zero
 137
 138/-- A normalized composition-law cost is automatically reciprocal. -/

depends on (14)

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