This an informal draft, established through informal discussions with the community, of what the documentation could look in terms of content. It is not fixed and will evolve with the project through discussions and according to the need of the users.

Overall plan

• Preliminary
  • Trying it out (games), Installing, Courses and Books
• Writing proofs in Coq
  • Basic tactics
  • Solvers and Decision procedures
  • SSReflect
  • MetaProgramming
• Programming in Coq
  • Writing programs in Coq
  • Extraction
  • Programming by dependent pattern matching with Equations
  • Tools for verifying software
  • Verified software in Coq
• Coq functionalities
  • Stuff that make your life easier
  • Packaging mathematical structures
  • Computing in Coq
  • Others
• Coq's theory
  • Sorts in Coq
  • (Co)Inductive Types
  • Coq and Axioms
  • Coq and Paradoxes
• Libraries
  • General purpose librairies, real numbers, ...

Detailed plan

Preliminary

• Trying it out (games)
• Installing
• Courses and Books

Writing proofs in Coq

Basic tactics

• Reasoning about Logic
• Reasoning about Equality
• Reasoning about Inductive Types
• Proof Search tactics (assumption, easy, trivial, intuition ?)
• Tactics for Forward Reasoning
• Combining Tactics

Solvers and Decision procedures

• Advanced Proof search tactics :
  • auto / eauto / typeclasses eauto
• Domain Specific Solvers :
  • congruence, bauto, tauto, first-order, lia, itauto, etc...
• Algebraic Solvers :
  • Ring etc... Algebra-tactics
• SMT Solvers
• CoqHammer

SSReflect

• I guess there is much to say :smile:

MetaProgramming, writing your own tactics

• Ltac
• Ltac2
• MTac2
• CoqElpi :
  • Tutorial
  • How to do sth that Elpi is good at
• MetaCoq

Programming in Coq

• Writing programs in Coq
  • Termination / Well-founded
  • Pattern matching in Coq
  • Coinductive Types
• Programming by dependent pattern matching with Equations
• Extraction
• Tools for verifying software
• Verified software in Coq

Coq's functionalities

Stuff that make your life easier

• Searching for lemmas
• Implicit Arguments
• Notations
• Sections
• Modules

Packaging Mathematical Structures

• Records
• Type Classes
• Canonical Structures
• Hierarchy builders

Computing in Coq

• Native compute
• Vm compute
• CoqEal
• Trocq

Else

• Program derivation
• dpdgraphs
• UniCoq
• ParamCoq

Coq's Theory

Sorts in Coq

• Types and cumulativity
• Prop
• SProp
• Polymorphism of Sorts

(Co)Inductive Types

• Inductive Types
  • Inductives Types, Induction, Pattern Matching, WellFounded Recursion
• Coinduction Types

Coq and Axioms

• Main Axioms and Compatibilities
• Extentionality Principles
• Classical Logic
• Axiom of Choice
• Axiom K / UIP
• Univalence Axiom

Coq and Paradoxes

• Universe Paradoxes (Type:Type, etc...)
• Guard Conditions Paradoxes (Non Strict Positivity, etc...)
• Positive CoInductive Types

Libraries

There is work to be done to understand how to introduce the different and many libraries existing in the Coq ecosystem

General Purpose Libraries :

• StdLib
• MathComp
• UniMath
• Coq Hott
• Corn
• ExtLib
• Stdpp ?

Real Numbers Libraries :

• Coquelicot
• Flocq
• Gappa
• Coq Interval

Prime Numbers

• Coq prime numbers generator
• Coqprime

Computer Science :

• RegLanguage