`BookProof.TwoParticleSector.exists_ne_zero_bosonic` (hD : D ≤ D₂) {a : Hs.carrier} (haD : a ∈ D) (ha0 : a ≠ 0) : ∃ x : redDom (bosonicProj Hs) (sectorCore Hs D₂ D 2), x ≠ 0

Initializing...

`BookProof.TwoParticleSector.exists_ne_zero_bosonic` (hD : D ≤ D₂) {a : Hs.carrier} (haD : a ∈ D) (ha0 : a ≠ 0) : ∃ x : redDom (bosonicProj Hs) (sectorCore Hs D₂ D 2), x ≠ 0 · Prove2Me