7 lines
217 B
Text
7 lines
217 B
Text
theorem ex1 (h₁ : a = 0) (h₂ : a + b = 0 + 0) : b + 0 = 0 := by
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simp [h₁, h₂] at h₁ h₂
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simp [h₂]
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theorem ex2 (h₁ : a = 0) (h₂ : a + b = 0 + 0) : b + 0 = 0 := by
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simp [h₁] at *
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simp [h₂]
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