2013-12-30 01:04:06 +00:00
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Push
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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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Show Environment 1.
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SetOption pp::unicode false.
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Show Environment 1.
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SetOption pp::unicode true.
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Show Environment 1.
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Alias NN : Natural.
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Show Environment 2.
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Alias ℕℕℕ : Natural.
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Show Environment 3.
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SetOption pp::unicode false.
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Show Environment 3.
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Pop
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