23 lines
399 B
Text
23 lines
399 B
Text
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unfold.lean:10:2: proof state
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a b : ℕ,
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h : a + b = 0
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⊢ f b a = 0
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unfold.lean:12:2: proof state
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a b : ℕ,
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h : a + b = 0
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⊢ b + a = 0
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unfold.lean:21:2: proof state
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a b : ℕ,
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h : a + b = 0
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⊢ b + a = 0
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unfold.lean:30:2: proof state
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a b c : ℕ,
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h₁ : c + c = 0,
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h₂ : a + b = 0
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⊢ f b a = f c c
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unfold.lean:39:2: proof state
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a b c : ℕ,
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h₁ : c + c = 0,
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h₂ : a + b = 0
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⊢ f b a = f c c
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