# Summary - [What is Lean](./whatIsLean.md) - [Tour of Lean](./tour.md) - [Setting Up Lean](./quickstart.md) - [Extended Setup Notes](./setup.md) - [Theorem Proving in Lean](./tpil.md) - [Functional Programming in Lean](fplean.md) - [Examples](./examples.md) - [Palindromes](examples/palindromes.lean.md) - [Binary Search Trees](examples/bintree.lean.md) - [A Certified Type Checker](examples/tc.lean.md) - [The Well-Typed Interpreter](examples/interp.lean.md) - [Dependent de Bruijn Indices](examples/deBruijn.lean.md) - [Parametric Higher-Order Abstract Syntax](examples/phoas.lean.md) # Language Manual - [Organizational features](./organization.md) - [Sections](./sections.md) - [Namespaces](./namespaces.md) - [Implicit Arguments](./implicit.md) - [Auto Bound Implicit Arguments](./autobound.md) - [Syntax Extensions](./syntax.md) - [The `do` Notation](./do.md) - [String Interpolation](./stringinterp.md) - [User-Defined Notation](./notation.md) - [Macro Overview](./macro_overview.md) - [Elaborators](./elaborators.md) - [Examples](./syntax_examples.md) - [Balanced Parentheses](./syntax_example.md) - [Arithmetic DSL](./metaprogramming-arith.md) - [Declaring New Types](./decltypes.md) - [Enumerated Types](./enum.md) - [Inductive Types](./inductive.md) - [Structures](./struct.md) - [Type classes](./typeclass.md) - [Unification Hints](./unifhint.md) - [Builtin Types](./builtintypes.md) - [Natural number](./nat.md) - [Integer](./int.md) - [Fixed precision unsigned integer](./uint.md) - [Float](./float.md) - [Array](./array.md) - [List](./list.md) - [Character](./char.md) - [String](./string.md) - [Option](./option.md) - [Thunk](./thunk.md) - [Task and Thread](./task.md) - [Functions](./functions.md) - [Monads](./monads/intro.md) - [Functor](./monads/functors.lean.md) - [Applicative](./monads/applicatives.lean.md) - [Monad](./monads/monads.lean.md) - [Reader](./monads/readers.lean.md) - [State](./monads/states.lean.md) - [Except](./monads/except.lean.md) - [Transformers](./monads/transformers.lean.md) - [Laws](./monads/laws.lean.md) # Other - [Frequently Asked Questions](./faq.md) - [Significant Changes from Lean 3](./lean3changes.md) - [Syntax Highlighting Lean in LaTeX](./syntax_highlight_in_latex.md) - [User Widgets](examples/widgets.lean.md) # Development - [Development Guide](./dev/index.md) - [Building Lean](./make/index.md) - [Ubuntu Setup](./make/ubuntu.md) - [macOS Setup](./make/osx-10.9.md) - [Windows MSYS2 Setup](./make/msys2.md) - [Windows with WSL](./make/wsl.md) - [Nix Setup (*Experimental*)](./make/nix.md) - [Bootstrapping](./dev/bootstrap.md) - [Testing](./dev/testing.md) - [Debugging](./dev/debugging.md) - [Commit Convention](./dev/commit_convention.md) - [Building This Manual](./dev/mdbook.md) - [Foreign Function Interface](./dev/ffi.md)