21 lines
325 B
Text
21 lines
325 B
Text
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set_option pp.coercions true
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namespace Nat
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constant Nat : Type₁
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constant num2Nat : num → Nat
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attribute num2Nat [coercion]
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check (0 : Nat)
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end Nat
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constant Int : Type₁
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namespace Int
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open Nat
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constant Nat2Int : Nat → Int
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attribute Nat2Int [coercion]
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check (0 : Int)
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end Int
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open Int
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check (0 : Int)
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