11 lines
241 B
Text
11 lines
241 B
Text
example (a b : Nat) : 1 ≤ 2 :=
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have : 1 ≤ a + b := by rfl
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have : a + b ≤ b := by rfl
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have : b ≤ 2 := by rfl
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by decide
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example (a b : Nat) : 1 ≤ 2 :=
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calc
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1 ≤ a + b := by rfl
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_ ≤ b := by rfl
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_ ≤ 2 := by rfl
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