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chore(library/init/wf): add parentheses

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Leonardo de Moura 2019-07-16 10:53:00 -07:00
parent 6f31f6a38f
commit 70066eaea7
1 changed files with 1 additions and 1 deletions
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library/init/wf.lean
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@ -54,7 +54,7 @@ theorem induction {C : α → Prop} (a : α) (h : ∀ x, (∀ y, r y x → C y)
recursion hwf a h
variable {C : α → Sort v}
variable F : ∀ x, (∀ y, r y x → C y) → C x
variable (F : ∀ x, (∀ y, r y x → C y) → C x)
def fixF (x : α) (a : Acc r x) : C x :=
Acc.recOn a (fun x₁ ac₁ ih => F x₁ ih)