16 lines
366 B
Text
16 lines
366 B
Text
-- import data.unit
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open unit
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namespace play
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constant int : Type.{1}
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constant nat : Type.{1}
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constant izero : int
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constant nzero : nat
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constant isucc : int → int
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constant nsucc : nat → nat
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definition f [coercion] (a : unit) : int := izero
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definition g [coercion] (a : unit) : nat := nzero
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set_option pp.coercions true
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check isucc star
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check nsucc star
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end play
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