theorem
proved
tactic proof
quartic_coupling_from_normalization
show as:
view Lean formalization →
formal statement (Lean)
220theorem quartic_coupling_from_normalization
221 (Λ v m_H : ℝ) (hv : 0 < v) (hΛ : NormalizationHypothesis Λ v m_H) :
222 4 * quartic_coefficient_canonical Λ v = m_H ^ 2 / (6 * v ^ 2) := by
proof body
Tactic-mode proof.
223 unfold quartic_coefficient_canonical
224 unfold NormalizationHypothesis at hΛ
225 have hv2 : v ^ 2 ≠ 0 := pow_ne_zero 2 (ne_of_gt hv)
226 have hv4 : v ^ 4 ≠ 0 := pow_ne_zero 4 (ne_of_gt hv)
227 have hv4_eq : (v : ℝ) ^ 4 = v ^ 2 * v ^ 2 := by ring
228 rw [hΛ, hv4_eq]
229 field_simp
230 ring
231
232/-! ## §4. Master Bridge Certificate -/
233
234/-- Master certificate for the cost-geometry → scalar-EFT map.
235
236 Tags: each clause is `THEOREM` except where marked `CONDITIONAL_THEOREM`;
237 those clauses depend on `NormalizationHypothesis Λ v m_H`. -/