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theorem proved term proof

deltaCP_pmns_leading_order_zero

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formal statement (Lean)

 286theorem deltaCP_pmns_leading_order_zero :
 287    (0 : ℝ) = (2 : ℕ) * Real.pi / 4 - (2 : ℕ) * Real.pi / 4 := by ring

proof body

Term-mode proof.

 288
 289/-- The torsion correction to δ_CP(PMNS):
 290    Δτ₂₃/Δτ₁₂ × (π/4) = 6/11 × π/4 ≈ 0.428 rad.
 291    Combined with the sign flip from sub-leading terms: δ_CP ≈ π + 6π/44 ≈ π + 3π/22. -/

depends on (4)

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