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theorem proved term proof

PApply_idempotent

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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

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