694e6f47dc
Before this commit, if we declared an equational lemma using 'def', then it would not be correctly added to the simp/hinst lemma set. The new test exposes the problem.
16 lines
348 B
Text
16 lines
348 B
Text
universe variables u
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def ex {α : Type u} [comm_semiring α] (a : α) : 0 + a = a :=
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zero_add a
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local attribute [-simp] zero_add add_zero
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attribute [simp] ex
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example (a b : nat) : 0 + 0 + a = a :=
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by simp
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local attribute [-ematch] zero_add add_zero
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attribute [ematch] ex
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example (a b : nat) : 0 + 0 + a = a :=
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by using_smt $ smt_tactic.eblast
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