standard
========

The Lean standard library. By default, `import standard` does not
import the classical axioms. For that, use `import logic.axioms`.

* [general_notation](general_notation.lean) : notation shared by all libraries
* [logic](logic/logic.md) : logical constructs and axioms
* [data](data/data.md) : various datatypes
* [struc](struc/struc.md) : axiomatic structures
* [hott](hott/hott.md) : homotopy type theory
* [tools](tools/tool.md) : various additional tools