2014-01-05 20:05:08 +00:00
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scope
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variable Natural : Type.
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alias ℕℕ : Natural.
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variable x : Natural.
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print environment 1.
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setoption pp::unicode false.
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print environment 1.
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setoption pp::unicode true.
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print environment 1.
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alias NN : Natural.
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print environment 2.
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alias ℕℕℕ : Natural.
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print environment 3.
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setoption pp::unicode false.
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print environment 3.
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pop::scope
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