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theorem proved wrapper

FApply_neg

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formal statement (Lean)

 202theorem FApply_neg {n : ℕ}
 203    (lam : ℝ) (hInv : Fin n → Fin n → ℝ) (β w : Vec n) :
 204    FApply lam hInv β (-w) = -FApply lam hInv β w := by

proof body

One-line wrapper that applies simpa.

 205  simpa using FApply_smul lam hInv β (-1) w
 206

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