`BookProof.ChapterB4.mixed_state_isDensityMatrix` : IsDensityMatrix ((1 / 2 : ℝ) • (1 : Matrix (Fin 2) (Fin 2) ℝ))

Initializing...

`BookProof.ChapterB4.mixed_state_isDensityMatrix` : IsDensityMatrix ((1 / 2 : ℝ) • (1 : Matrix (Fin 2) (Fin 2) ℝ)) · Prove2Me