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ell_P
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IndisputableMonolith.Constants.PlanckScaleMatching on GitHub at line 192.
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189/-! ## Part 5: The Planck-Scale Relationship -/
190
191/-- The Planck length ℓ_P = √(ℏG/c³). -/
192noncomputable def ell_P : ℝ := sqrt (hbar * G / c^3)
193
194/-- The Planck length is positive. -/
195theorem ell_P_pos : ell_P > 0 := by
196 unfold ell_P
197 apply sqrt_pos.mpr
198 apply div_pos
199 · exact mul_pos hbar_pos G_pos
200 · exact pow_pos c_pos 3
201
202/-- **THE PLANCK GATE IDENTITY**:
203
204λ_rec = √(ℏG/(πc³)) = ℓ_P / √π
205
206This follows from the face-averaging principle applied to the
207curvature extremum. -/
208noncomputable def lambda_rec_SI : ℝ := sqrt (hbar * G / (Real.pi * c^3))
209
210/-- λ_rec_SI > 0. -/
211theorem lambda_rec_SI_pos : lambda_rec_SI > 0 := by
212 unfold lambda_rec_SI
213 apply sqrt_pos.mpr
214 apply div_pos
215 · exact mul_pos hbar_pos G_pos
216 · exact mul_pos Real.pi_pos (pow_pos c_pos 3)
217
218/-- **THE 0.564 FACTOR**:
219
220λ_rec/ℓ_P = 1/√π ≈ 0.564.
221
222This is the key result of Conjecture C8. -/