`BookProof.ChapterA.qembed_apply` (θ : AntiUnitary V) (hθ : ∀ x, θ (θ x) = -x) (q : Quaternion ℝ) : qembed θ hθ q = algebraMap ℝ (V →L[ℝ] V) q.re + q.imI • mulI + q.imJ • thetaR θ

Initializing...

`BookProof.ChapterA.qembed_apply` (θ : AntiUnitary V) (hθ : ∀ x, θ (θ x) = -x) (q : Quaternion ℝ) : qembed θ hθ q = algebraMap ℝ (V →L[ℝ] V) q.re + q.imI • mulI + q.imJ • thetaR θ · Prove2Me