The Lean Language Reference

The Lean Language Reference

Table of Contents

1.	Introduction
2.	Elaboration and Compilation
3.	Interacting with Lean
4.	The Type System
5.	Source Files and Modules
6.	Namespaces and Sections
7.	Definitions
8.	Axioms
9.	Attributes
10.	Terms
11.	Type Classes
12.	Coercions
13.	Tactic Proofs
14.	Functors, Monads and `do`-Notation
15.	IO
16.	The Simplifier
17.	The `grind` tactic
18.	Basic Propositions
19.	Basic Types
20.	Dynamic Typing
21.	Standard Library
22.	Notations and Macros
23.	Run-Time Code
24.	Build Tools and Distribution
	Error Explanations
	The Module System
	Release Notes
	Index
	Progress

21. Standard Library

Source Code
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←20. Dynamic Typing 22. Notations and Macros→

21. Standard Library🔗

Planned Content

Overview of the standard library, including types from the prelude and those that require imports.

Tracked at issue #109

←20. Dynamic Typing 22. Notations and Macros→