`BookProof.DensitySpectral.density_spectral` {ρ : Matrix n n ℂ} (h : IsDensityMatrix ρ) : ρ = (h.1.eigenvectorUnitary : Matrix n n ℂ) * diagonal (RCLike.ofReal ∘ h.1.eigenvalues) *

Initializing...

`BookProof.DensitySpectral.density_spectral` {ρ : Matrix n n ℂ} (h : IsDensityMatrix ρ) : ρ = (h.1.eigenvectorUnitary : Matrix n n ℂ) * diagonal (RCLike.ofReal ∘ h.1.eigenvalues) * · Prove2Me