`BookProof.EnergyBandDecomposition.iUnion_band` (hε : 0 < ε) (E : X → ℝ) : (⋃ k : ℤ, band E ε k) = Set.univ

Initializing...

`BookProof.EnergyBandDecomposition.iUnion_band` (hε : 0 < ε) (E : X → ℝ) : (⋃ k : ℤ, band E ε k) = Set.univ · Prove2Me