Registry · Theorem
IV.T07
established
formalized
IV.T07 — Maxwell Relation
c² = 1/(ε₀·μ₀): proven algebraically from dimensional exponents and π-prefactors. Dimensional: ε₀+μ₀ exponents = -2×c exponents. Prefactors: (8/π³)·(π³/8) = 1. Pure structural identity, no numerical approximation.