21 lines
563 B
Text
21 lines
563 B
Text
/--
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error: `grind` failed
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case grind.1
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n m a : Nat
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ih : ∀ {a : Nat}, a ^ 2 = 4 ^ m * n → False
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h : a ^ 2 = 4 ^ (m + 1) * n
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h_1 : ↑a = 4
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⊢ False
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-/
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#guard_msgs in
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example {n m a : Nat} (ih : ∀ {a : Nat}, a ^ 2 = 4 ^ m * n → False)
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(h : a ^ 2 = 4 ^ (m + 1) * n) : False := by
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grind -verbose
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example {n m a : Nat} (ih : ∀ {a : Nat}, a ^ 2 = 4 ^ m * n → False)
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(h : a ^ 2 = 4 ^ m * n) : False := by
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grind
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example {m a n : Nat} (ih : ∀ {a : Nat}, a ^ 2 = 4 ^ m * 4 * n → False)
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(h : a ^ 2 = 4 ^ (m + 1) * n) : False := by
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grind
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