34 lines
691 B
Text
34 lines
691 B
Text
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Import basic.
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Variable Nat : Type.
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Alias ℕ : Nat.
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Builtin Nat::numeral.
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Builtin Nat::add : Nat -> Nat -> Nat.
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Infixl 65 + : Nat::add.
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Builtin Nat::mul : Nat -> Nat -> Nat.
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Infixl 70 * : Nat::mul.
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Builtin Nat::le : Nat -> Nat -> Bool.
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Infix 50 <= : Nat::le.
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Infix 50 ≤ : Nat::le.
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Definition Nat::ge (a b : Nat) := b ≤ a.
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Infix 50 >= : Nat::ge.
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Infix 50 ≥ : Nat::ge.
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Definition Nat::lt (a b : Nat) := ¬ (a ≥ b).
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Infix 50 < : Nat::lt.
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Definition Nat::gt (a b : Nat) := ¬ (a ≤ b).
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Infix 50 > : Nat::gt.
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Definition Nat::id (a : Nat) := a.
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Notation 55 | _ | : Nat::id.
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SetOpaque Nat::ge true.
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SetOpaque Nat::lt true.
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SetOpaque Nat::gt true.
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SetOpaque Nat::id true.
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