2014-08-01 17:37:55 +00:00
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data.nat
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========
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The natural numbers.
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2014-08-02 01:40:24 +00:00
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* [basic](basic.lean) : the natural numbers, with succ, pred, addition, and multiplication
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* [order](order.lean) : less-than, less-then-or-equal, etc.
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2014-08-21 00:21:14 +00:00
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* [sub](sub.lean) : subtraction, and distance
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* [div](div.lean) : div, mod, gcd, and lcm
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