data.real
========

The real numbers: classically, as a quotient type; constructively, as a setoid.

* [basic](basic.lean) : the reals as a commutative ring (constructive)
* [order](order.lean) : the reals as an ordered ring (constructive)
* [division](division.lean) : the reals as a discrete linear ordered field (classical)
* [complete](complete.lean) : the reals are Cauchy complete (classical)