22 lines
408 B
Text
22 lines
408 B
Text
example (x : Nat × Nat) : x.1 + x.2 ≥ 0 :=
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let (a, b) := x
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_
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example (x : Nat × Nat) : x.1 + x.2 ≥ 0 :=
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have (a, b) := x
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_
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example (x : Nat × Nat) : x.1 + x.2 ≥ 0 := by
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let (a, b) := x
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done
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example (x : Nat × Nat) : x.1 + x.2 ≥ 0 := by
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have (a, b) := x
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done
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def f : Nat × Nat → Nat
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| (a, b) => a + b + 1
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example (x : Nat × Nat) : f x > 0 := by
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let (a, b) := x
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done
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