theorem
proved
C_is_complement_of_Jphi
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IndisputableMonolith.Gravity.ILGSpatialKernel on GitHub at line 170.
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167 linarith
168
169/-- `C` is the complement of `J(φ)` within the half-rung budget. -/
170theorem C_is_complement_of_Jphi :
171 C_kernel = 1 / 2 - Jphi_penalty := by
172 have h := half_rung_budget
173 linarith
174
175/-- Numerical: `J(φ) + C ≈ 1/2`, with both individually positive. -/
176theorem half_rung_components_band :
177 (0.110 : ℝ) < Jphi_penalty ∧ Jphi_penalty < (0.120 : ℝ) ∧
178 (0.380 : ℝ) < C_kernel ∧ C_kernel < (0.390 : ℝ) := by
179 refine ⟨?_, ?_, C_kernel_band.1, C_kernel_band.2⟩
180 · unfold Jphi_penalty
181 have h := phi_gt_onePointSixOne
182 linarith
183 · unfold Jphi_penalty
184 have h := phi_lt_onePointSixTwo
185 linarith
186
187/-! ## §5. Discrimination from the competing hypothesis `C = φ⁻³ᐟ²`
188
189The competing value `C' = φ⁻³ᐟ² ≈ 0.486` from
190`Gravity_From_Recognition` does NOT satisfy the half-rung budget
191identity. We show this discrepancy formally.
192-/
193
194/-- The competing amplitude `C' = φ⁻³ᐟ²`. -/
195def C_kernel_competing : ℝ := phi ^ (-(3 / 2 : ℝ))
196
197/-- `C'` is positive. -/
198theorem C_kernel_competing_pos : 0 < C_kernel_competing := by
199 unfold C_kernel_competing
200 exact Real.rpow_pos_of_pos phi_pos _