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theorem proved term proof

mass_gap_is_spatial_minimum

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formal statement (Lean)

 337theorem mass_gap_is_spatial_minimum :
 338    ∀ n : ℤ, n ≠ 0 → massGap ≤ Jcost (PhiLadder n) := spectral_gap

proof body

Term-mode proof.

 339
 340/-- The mass gap is exactly J(φ). -/

depends on (12)

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