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theorem proved term proof

vacuum_unique_zero_cost

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formal statement (Lean)

 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)

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