`BookProof.Complexification.Cx.smul_I` (x : Cx W) : (Complex.I : ℂ) • x = ⟨-x.im, x.re⟩

Initializing...

`BookProof.Complexification.Cx.smul_I` (x : Cx W) : (Complex.I : ℂ) • x = ⟨-x.im, x.re⟩ · Prove2Me