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26 lines
427 B
Plaintext
26 lines
427 B
Plaintext
module Data.Bool;
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inductive Bool {
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true : Bool;
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false : Bool;
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};
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not : Bool → Bool;
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not true ≔ false;
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not false ≔ true;
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infixr 2 ||;
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|| : Bool → Bool → Bool;
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|| false a ≔ a;
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|| true _ ≔ true;
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infixr 2 &&;
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&& : Bool → Bool → Bool;
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&& false _ ≔ false;
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&& true a ≔ a;
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ite : (a : Type) → Bool → a → a → a;
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ite _ true a _ ≔ a;
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ite _ false _ b ≔ b;
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end;
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