theorem
proved
term proof
lambda_qcd_scale
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154theorem lambda_qcd_scale : 100 < lambda_QCD ∧ lambda_QCD < 300 := by
proof body
Term-mode proof.
155 unfold lambda_QCD
156 constructor <;> norm_num
157
158/-! ## Dimensional Transmutation -/
159
160/-- Dimensional transmutation: a dimensionless coupling g generates
161 a mass scale Λ through running. The proton mass m_p ~ Λ_QCD
162 emerges from the gauge coupling through RG evolution. -/