lean4-htt/tests/lean/grind/nat_repeat.lean
2025-06-18 07:14:56 +00:00

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example {g : (Int → Bool) → Int → Bool} {f : Int → Bool} {a b : Int} (hab : a = b) :
Nat.repeat g 1 f a = Nat.repeat g 1 f b := by
/-
failed to generate `hcongr` theorem: expected 5 arguments, but got 4 for
@Nat.repeat
-/
grind