---
license: bsd-3-clause
tags:
- theorem-proving
- formal-methods
- isabelle
- hol
task_categories:
- text-generation
- feature-extraction
language:
- en
size_categories:
- 10K<n<100K
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: 42579196
    num_examples: 78022
  download_size: 10644094
  dataset_size: 42579196
---

# Isabelle-Stdlib

Structured dataset from the **Isabelle/HOL standard library** - core theories and analysis.

**78,022 declarations** extracted from Isabelle theory files.

Includes HOL, HOL-Library, HOL-Analysis, and other foundational Isabelle theories.

## Applications

- Training language models on formal proofs
- Fine-tuning theorem provers
- Retrieval-augmented generation for proof assistants
- Learning proof embeddings and representations

## Source

- **Repository:** https://isabelle.in.tum.de/
- **License:** BSD-3-Clause

## Schema

| Column | Type | Description |
|--------|------|-------------|
| fact | string | Declaration body |
| type | string | theorem, lemma, definition, etc. |
| library | string | Source module |
| imports | list | Required imports |
| filename | string | Source file path |
| symbolic_name | string | Identifier |