5a34ffb9b0
This PR upstreams much of the material from `Mathlib/Data/Nat/Init.lean` and `Mathlib/Data/Nat/Basic.lean`.
36 lines
829 B
Text
36 lines
829 B
Text
attribute [-simp] Nat.left_eq_add -- This was later added to the simp set and interfere with the test.
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def foo : Nat := 0
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def bar : Nat := 0
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@[simp] theorem foo_eq_bar : foo = bar := rfl
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example : foo = bar := by simp [← foo_eq_bar]
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example : foo = bar + 1 := by
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simp [← foo_eq_bar]
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guard_target =ₛ foo = foo + 1
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sorry
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def a : Nat := 0
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def b : Nat := 0
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def c : Nat := 0
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@[simp] theorem abc : a = b ∧ a = c := And.intro rfl rfl
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example : a = b := by simp [← abc]
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example : a = c := by simp [← abc]
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example : a = c + 1 := by
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simp [← abc]
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guard_target =ₛ a = a + 1
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sorry
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opaque d : Nat
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opaque e : Nat
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@[simp↓] theorem de : d = e := sorry
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example : d = e := by simp [← de]
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example : d = e := by simp [↓←de]
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example : d = e + 1 := by
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simp [↓←de]
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guard_target =ₛ d = d + 1
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sorry
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