51 lines
1.2 KiB
Text
51 lines
1.2 KiB
Text
α : Type u_1
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as bs : List α
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⊢ as ++ bs ++ bs = as ++ (bs ++ bs)
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rewrite.lean:18:20-18:29: error: tactic 'rewrite' failed, did not find instance of the pattern in the target expression
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List.reverse (List.reverse ?as)
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α : Type u_1
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as bs : List α
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⊢ as ++ [] ++ [] ++ bs ++ bs = as ++ (bs ++ bs)
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x y z : Nat
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h₁ : x = y
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h₂ : y = z
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⊢ x = z
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rewrite.lean:37:9-37:20: error: tactic 'rewrite' failed, did not find instance of the pattern in the current goal
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x y z : Nat
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h₁ : 0 + x = y
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h₂ : 0 + y = z
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⊢ x = z
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m n k : Nat
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h✝ : n = m
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h : k = m
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⊢ k = n
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rewrite.lean:55:69-56:10: error: unsolved goals
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α : Type
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p : Prop
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a b c : α
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h : p → a = b
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⊢ b = c
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α : Type
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p : Prop
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a b c : α
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h : p → a = b
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⊢ p
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [f 1, 0, f 1, f 2] = [0, 0, 0, 0]
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [0, f 2, 0, f 2] = [0, 0, 0, 0]
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [0, f 2, 0, f 2] = [0, 0, 0, 0]
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [f 1, 0, f 1, 0] = [0, 0, 0, 0]
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [f 1, f 2, 0, f 2] = [0, 0, 0, 0]
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f : Nat → Nat
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w : ∀ (n : Nat), f n = 0
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⊢ [f 1, 0, f 1, f 2] = [0, 0, 0, 0]
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