`BookProof.ChapterA3.SEtwo_lower_triangular` (T : Matrix (Fin 2) (Fin 2) ℂ) (hT : T ∈ SEtwo) : T 0 1 = 0 ∧ T 1 1 = (T 0 0)⁻¹ ∧ Complex.normSq (T 0 0) = 1

Initializing...

`BookProof.ChapterA3.SEtwo_lower_triangular` (T : Matrix (Fin 2) (Fin 2) ℂ) (hT : T ∈ SEtwo) : T 0 1 = 0 ∧ T 1 1 = (T 0 0)⁻¹ ∧ Complex.normSq (T 0 0) = 1 · Prove2Me