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theorem proved term proof

FApply_smul

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formal statement (Lean)

 186theorem FApply_smul {n : ℕ}
 187    (lam : ℝ) (hInv : Fin n → Fin n → ℝ) (β : Vec n)
 188    (c : ℝ) (v : Vec n) :
 189    FApply lam hInv β (c • v) = c • FApply lam hInv β v := by

proof body

Term-mode proof.

 190  ext i
 191  simp [FApply, PApply_smul, mul_comm]
 192  ring
 193

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depends on (3)

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