`BookProof.ChapterGleasonPureMixed.no_pure_state_both` : ¬ ∃ ρ : Matrix (Fin 2) (Fin 2) ℝ, IsPureState ρ ∧ E ρ P0 = 1/2 ∧ E ρ Q = 1/2

Initializing...

`BookProof.ChapterGleasonPureMixed.no_pure_state_both` : ¬ ∃ ρ : Matrix (Fin 2) (Fin 2) ℝ, IsPureState ρ ∧ E ρ P0 = 1/2 ∧ E ρ Q = 1/2 · Prove2Me