f4e083d507
This commit addresses the issue raised at https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/Namespace-based.20overloading.20does.20not.20find.20exports/near/282946185
16 lines
317 B
Text
16 lines
317 B
Text
def Set (α : Type) := α → Prop
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def Set.union (s₁ s₂ : Set α) : Set α :=
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fun a => s₁ a ∨ s₂ a
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def FinSet (n : Nat) := Fin n → Prop
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namespace FinSet
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export Set (union)
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end FinSet
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example (x y : FinSet 10) : FinSet 10 :=
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FinSet.union x y
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example (x y : FinSet 10) : FinSet 10 :=
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x.union y
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