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---
license: bsd-3-clause
tags:
- theorem-proving
- formal-methods
- acl2
- lisp
- hardware-verification
task_categories:
- text-generation
- feature-extraction
language:
- en
size_categories:
- 100K<n<1M
configs:
- config_name: default
  data_files:
  - split: train
    path: data/train-*
dataset_info:
  features:
  - name: fact
    dtype: string
  - name: type
    dtype: string
  - name: library
    dtype: string
  - name: imports
    list: string
  - name: filename
    dtype: string
  - name: symbolic_name
    dtype: string
  - name: docstring
    dtype: string
  splits:
  - name: train
    num_bytes: 110107672
    num_examples: 231000
  download_size: 17676308
  dataset_size: 110107672
---

# ACL2

A structured dataset of theorems and functions from the **ACL2 Community Books**, one of the largest collections of formally verified libraries.

## Source

- **Repository:** https://github.com/acl2/acl2
- **Website:** https://www.cs.utexas.edu/~moore/acl2/
- **License:** BSD-3-Clause

## Statistics

| Property | Value |
|----------|-------|
| **Total Entries** | 231,000 |
| **Theorems** | 171,519 |
| **Functions** | 59,481 |
| **Source Files** | 13,165 |

## Schema

| Column | Type | Description |
|--------|------|-------------|
| `fact` | string | Theorem statement or function definition |
| `type` | string | "theorem" or "function" |
| `library` | string | ACL2 book directory |
| `imports` | list[string] | include-book statements |
| `filename` | string | Source .lisp file |
| `symbolic_name` | string | Declaration name |

## About ACL2

ACL2 (A Computational Logic for Applicative Common Lisp) is used for:
- Hardware verification (AMD, Intel processors)
- Software verification
- Mathematical formalization
- Industrial applications

## Notable Uses

- Floating-point division verification (AMD, Intel)
- Microprocessor verification
- JVM bytecode verification
- Security protocol analysis

## Creator

Charles Norton ([phanerozoic](https://huggingface.co/phanerozoic))