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theorem proved term proof

ode_regularity_bootstrap_of_smooth

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formal statement (Lean)

 144theorem ode_regularity_bootstrap_of_smooth {H : ℝ → ℝ} (h : ContDiff ℝ ⊤ H) :
 145    ode_linear_regularity_bootstrap_hypothesis H :=

proof body

Term-mode proof.

 146  fun _ _ _ => h.of_le le_top
 147
 148/-- **Theorem (d'Alembert → cosh, Aczél form)**: Using only the Aczél axiom, a continuous
 149    solution to d'Alembert with H(0) = 1 and H''(0) = 1 must equal cosh.
 150
 151    This is the clean version of `dAlembert_cosh_solution`, requiring no regularity params. -/

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