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Start-here
Gentle-introduction-to-ACL2-programming
ACL2-tutorial
Introduction-to-the-theorem-prover
Pages Written Especially for the Tours
A Tiny Warning Sign
About the Prompt
ACL2 Symbols
Common Lisp
About Types
The Event Summary
An Example of ACL2 in Use
The Tours
Corroborating Models
The Proof of the Associativity of App
Guards in ACL2
Numbers in ACL2
About the Admission of Recursive Definitions
Free Variables in Top-Level Input
Common Lisp as a Modeling Language
ACL2 as an Interactive Theorem Prover (cont)
A Flying Tour of ACL2
Analyzing Common Lisp Models
A Walking Tour of ACL2
The Theorem that App is Associative
The End of the Walking Tour
Proving Theorems about Models
Functions for Manipulating these Objects
About the ACL2 Home Page
ACL2 Conses or Ordered Pairs
The Associativity of App
Models of Computer Hardware and Software
How To Find Out about ACL2 Functions (cont)
A Sketch of How the Rewriter Works
ACL2 System Architecture
Running Models
ACL2 is an Untyped Language
How To Find Out about ACL2 Functions
How Long Does It Take to Become an Effective User(Q)
The Admission of App
Guiding the ACL2 Theorem Prover
What Is ACL2(Q)
Conversion
An Example Common Lisp Function Definition
ACL2 Characters
You Must Think about the Use of a Formula as a Rule
The WARNING about the Trivial Consequence
Guessing the Type of a Newly Admitted Function
ACL2 Strings
What is a Mathematical Logic(Q)
Revisiting the Admission of App
What is a Mechanical Theorem Prover(Q)
About Models
What is Required of the User(Q)
Hey Wait! Is ACL2 Typed or Untyped(Q)
The Falling Body Model
Rewrite Rules are Generated from DEFTHM Events
A Typical State
The Time Taken to do the Associativity of App Proof
The Simplification of the Induction Conclusion (Step 1)
The Rules used in the Associativity of App Proof
Subsumption of Induction Candidates in App Example
Other Requirements
Models in Engineering
Symbolic Execution of Models
Suggested Inductions in the Associativity of App Example
Overview of the Proof of a Trivial Consequence
Evaluating App on Sample Input
The Induction Step in the App Example
Modeling in ACL2
The Simplification of the Induction Conclusion (Step 9)
The Induction Scheme Selected for the App Example
The First Application of the Associativity Rule
Overview of the Expansion of ENDP in the Induction Step
Flawed Induction Candidates in App Example
ACL2 as an Interactive Theorem Prover
Using the Associativity of App to Prove a Trivial Consequence
The Simplification of the Induction Conclusion (Step 8)
The Instantiation of the Induction Scheme
The Final Simplification in the Base Case (Step 0)
Overview of the Simplification of the Induction Step to T
Overview of the Simplification of the Induction Conclusion
On the Naming of Subgoals
Nontautological Subgoals
What is a Mechanical Theorem Prover(Q) (cont)
The Simplification of the Induction Conclusion (Step 12)
The Simplification of the Induction Conclusion (Step 10)
The End of the Flying Tour
The Base Case in the App Example
The Simplification of the Induction Conclusion (Step 11)
The Final Simplification in the Base Case (Step 3)
The Expansion of ENDP in the Induction Step (Step 1)
The Expansion of ENDP in the Induction Step (Step 0)
The End of the Proof of the Associativity of App
Overview of the Simplification of the Base Case to T
The Summary of the Proof of the Trivial Consequence
The Simplification of the Induction Conclusion (Step 7)
The Simplification of the Induction Conclusion (Step 6)
The Simplification of the Induction Conclusion (Step 5)
The Simplification of the Induction Conclusion (Step 4)
The Simplification of the Induction Conclusion (Step 2)
The Simplification of the Induction Conclusion (Step 0)
The Justification of the Induction Scheme
The Final Simplification in the Base Case (Step 1)
The Expansion of ENDP in the Induction Step (Step 2)
Popping out of an Inductive Proof
Overview of the Expansion of ENDP in the Base Case
The Simplification of the Induction Conclusion (Step 3)
The Q.E.D. Message
Overview of the Final Simplification in the Base Case
The Final Simplification in the Base Case (Step 2)
Perhaps
Name the Formula Above
Undocumented Topic
A Trivial Proof
The-method
Advanced-features
Interesting-applications
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ACL2-as-standalone-program
ACL2-sedan
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About-ACL2
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Interfacing-tools
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Pages Written Especially for the Tours
A Trivial Proof
A Trivial Proof