`BookProof.ChapterA.Rpseudoreal_realCommutant_eq_quaternion` (M : System ℂ V) (hSchur : IsSchurFull M) {θ : AntiUnitary V} (hθ : ∀ x, θ (θ x) = -x) (hθc : CommutesAntiUnitary M θ)

Initializing...

`BookProof.ChapterA.Rpseudoreal_realCommutant_eq_quaternion` (M : System ℂ V) (hSchur : IsSchurFull M) {θ : AntiUnitary V} (hθ : ∀ x, θ (θ x) = -x) (hθc : CommutesAntiUnitary M θ) · Prove2Me