16 lines
465 B
Text
16 lines
465 B
Text
theorem confuses_the_user : -(no_index (OfNat.ofNat <| nat_lit 2)) = -2 := by
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simp
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theorem ex : -(no_index (OfNat.ofNat <| nat_lit 2)) = (2 : Int) := by
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simp only [Int.reduceNeg]
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guard_target =ₛ -2 = 2
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sorry
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theorem its_true_really : -(no_index (OfNat.ofNat <| nat_lit 2)) = -2 := by
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rfl
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example : -(-(no_index (OfNat.ofNat <| nat_lit 2))) = 2 := by
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simp
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example : -(no_index (-(no_index (OfNat.ofNat <| nat_lit 2)))) = -(-(-(-3+1))) := by
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simp
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