12 lines
332 B
Text
12 lines
332 B
Text
opaque A : Nat → Type
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opaque f (x : Nat) (a : A x) : Nat
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example (x : Nat) (a : A (x + 0)) : f (x + 0) a = x := by
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simp
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trace_state -- ⊢ f x a = x
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sorry
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example (x : Nat) (a : A (x + 0)) : f (x + 0) a = x := by
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simp (config := { dsimp := false, failIfUnchanged := false })
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trace_state -- ⊢ f (x + 0) a = x
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sorry
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