lemma
proved
lambda_rec_dimensionless_id_physical
show as:
view math explainer →
open explainer
Generate a durable explainer page for this declaration.
open lean source
IndisputableMonolith.Bridge.DataCore on GitHub at line 63.
browse module
All declarations in this module, on Recognition.
explainer page
depends on
formal source
60 field_simp [mul_comm, mul_left_comm, mul_assoc, pow_succ, pow_mul]
61
62/-- Dimensionless identity packaged with a physical-assumptions helper. -/
63lemma lambda_rec_dimensionless_id_physical (B : BridgeData) (H : Physical B) :
64 (B.c ^ 3) * (lambda_rec B) ^ 2 / (B.hbar * B.G) = 1 / Real.pi :=
65 lambda_rec_dimensionless_id B H.c_pos H.hbar_pos H.G_pos
66
67/-- Positivity of λ_rec under physical assumptions. -/
68lemma lambda_rec_pos (B : BridgeData) (H : Physical B) : 0 < lambda_rec B := by
69 -- λ_rec = √(ħ G / (π c³)) > 0 since all components positive
70 unfold lambda_rec
71 apply Real.sqrt_pos.mpr
72 apply div_pos
73 · exact mul_pos H.hbar_pos H.G_pos
74 · exact mul_pos Real.pi_pos (pow_pos H.c_pos 3)
75
76end IndisputableMonolith.BridgeData