10 lines
239 B
Text
10 lines
239 B
Text
@[default_instance] instance : Pow Int Nat where
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pow m n := m ^ n
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instance : @Trans Int Int Int (· < ·) (· < ·) (· < ·) where
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trans := sorry
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example {n : Int} : n ^ 2 < 1 :=
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calc
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n ^ 2 < 1 ^ 2 := sorry
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_ < 1 := sorry
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