246theorem vacuum_unique_zero_cost (cfg : GaugeBondConfig) 247 (h : totalGaugeCost cfg = 0) : ∀ e : Fin 12, cfg.bonds e = 0 := by
proof body
Term-mode proof.
248 intro e 249 by_contra hn 250 have hpos := spectral_gap_strict (cfg.bonds e) hn 251 have hle := bond_le_total cfg e 252 linarith 253 254/-! ## §6 Non-Abelian Specificity: Why U(1) Is Massless -/ 255 256/-- A gauge bond is **contractible** iff its rung is 0. -/
depends on (18)
Lean names referenced from this declaration's body.