The supplied source does not contain the declaration ode_regularity_continuous_hypothesis (without the _neg suffix) in module IndisputableMonolith.Cost.FunctionalEquation. The provided slice of IndisputableMonolith.Cost.FunctionalEquation is truncated and contains no such definition. A closely analogous declaration ode_regularity_continuous_hypothesis_neg appears in IndisputableMonolith.Measurement.RecognitionAngle.AngleFunctionalEquation and is used to package the assumption that a continuous solution to the ODE H'' = -H satisfies the regularity needed for uniqueness proofs. This declaration is a hypothesis (not a theorem) and does not prove any result by itself; it is consumed as an input by ode_cos_uniqueness and dAlembert_cos_solution.
Explain the Lean def `ode_regularity_continuous_hypothesis` in module `IndisputableMonolith.Cost.FunctionalEquation`. Write for an educated reader who knows science and programming but may not know Lean. Cover: (1) what the declaration says in plain English, (2) why it matters in Recognition Science, (3) how to read the formal statement, (4) visible dependencies or certificates in the supplied source, and (5) what this declaration does not prove. Cite only declarations present in the supplied Recognition source.
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- Exact declaration `ode_regularity_continuous_hypothesis` in `IndisputableMonolith.Cost.FunctionalEquation`
- Any positive-branch counterpart in the truncated Cost.FunctionalEquation module