5 lines
179 B
Text
5 lines
179 B
Text
definition pnat.pnat : Type₁ :=
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{n : ℕ | nat.gt n (nat.of_num 0)}
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inductive prod : Type → Type → Type
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constructors:
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prod.mk : Π {A : Type} {B : Type}, A → B → A × B
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