9 lines
205 B
Text
9 lines
205 B
Text
variable {U V}
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def f : (U → V) → (U → U) := sorry
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def add {U} : U → U → U := sorry
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@[simp] theorem foo (u : U) : f (add u) = id := sorry
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def bar (u v : U) : f (add u) v = id v := by
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simp
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