317492d207
https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/.60refine.60.20bug.20.3F/near/278031110
28 lines
619 B
Text
28 lines
619 B
Text
example (p q : Prop) : p ∧ q → p := by
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refine fun ⟨a, b⟩ => a
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example (p q : Prop) : p ∧ q → p := by
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refine fun a => ?hp
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trace_state
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exact a.1
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example (p q : Prop) : p ∧ q → p := by
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refine fun ⟨a, b⟩ => a
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example (p q : Prop) : p ∧ q → p := by
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refine fun ⟨a, b⟩ => ?hp
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trace_state
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exact a
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example (p q : Prop) : p ∧ q → p := by
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refine fun a => ?hp
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case hp => exact a.1
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example (p q : Prop) : p ∧ q → p := by
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refine fun ⟨a, b⟩ => ?hp
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case hp => exact a
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example (p q : Prop) : p ∧ q → p := by
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refine λ ⟨a, b⟩ => ?hp
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trace_state
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exact a
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