theorem
proved
term proof
PApply_idempotent
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view Lean formalization →
formal statement (Lean)
158theorem PApply_idempotent {n : ℕ}
159 (lam : ℝ) (hInv : Fin n → Fin n → ℝ) (β : Vec n)
160 (hμ : mu lam hInv β ≠ 0) (v : Vec n) :
161 PApply lam hInv β (PApply lam hInv β v) = PApply lam hInv β v := by
proof body
Term-mode proof.
162 ext i
163 simp [PApply, AApply_smul, AApply_sq, hμ, mul_comm]
164