56theorem vcb_derived : 57 V_cb_pred = edge_dual_ratio := by
proof body
Term-mode proof.
58 unfold V_cb_pred V_cb_geom edge_dual_ratio 59 norm_num 60 61/-- **THEOREM: V_ub from Fine Structure Leakage** 62 The CKM element $|V_{ub}|$ is exactly half the fine-structure constant. 63 - α: Fine structure coupling. 64 - 1/2: Leakage between non-adjacent vertices across a cube diagonal (fine_structure_leakage). 65 - Geometric Origin: The first and third generations are separated by the maximum 66 diameter of the cube (√3 units). The recognition overlap is mediated by the 67 vacuum polarization term α, with a 1/2 factor from the parity split. -/
used by (2)
From the project-wide theorem graph. These declarations reference this one in their body.