Add dataset card

README.md

@@ -1,29 +1,70 @@
 ---
-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: 'null'
-  splits:
-  - name: train
-    num_bytes: 17408683
-    num_examples: 63341
-  download_size: 3712752
-  dataset_size: 17408683
-configs:
-- config_name: default
-  data_files:
-  - split: train
-    path: data/train-*
+license: bsd-3-clause
+tags:
+  - theorem-proving
+  - formal-methods
+  - hol4
+  - higher-order-logic
+  - standard-ml
+task_categories:
+  - text-generation
+  - feature-extraction
+language:
+  - en
+size_categories:
+  - 10K<n<100K
 ---
+
+# HOL4
+
+A structured dataset of theorems and definitions from **HOL4**, a mature theorem prover for higher-order logic.
+
+## Source
+
+- **Repository:** https://github.com/HOL-Theorem-Prover/HOL
+- **License:** BSD-3-Clause
+
+## Statistics
+
+| Property | Value |
+|----------|-------|
+| **Total Entries** | 63,341 |
+| **Theorems** | 50,840 |
+| **Definitions** | 12,501 |
+| **Script Files** | 1,334 |
+
+### Top Libraries
+
+| Library | Count |
+|---------|-------|
+| real | 5,491 |
+| examples/algebra | 3,618 |
+| algebra | 3,147 |
+| pred_set | 2,723 |
+| examples/lambda | 2,633 |
+| probability | 2,193 |
+
+## Schema
+
+| Column | Type | Description |
+|--------|------|-------------|
+| `fact` | string | Theorem statement or definition body |
+| `type` | string | "theorem" or "definition" |
+| `library` | string | HOL4 library/example directory |
+| `imports` | list[string] | SML open statements |
+| `filename` | string | Source Script.sml file |
+| `symbolic_name` | string | Theorem/definition name |
+
+## About HOL4
+
+HOL4 is an interactive theorem prover for classical higher-order logic. Key areas:
+- Real analysis and topology
+- Probability theory
+- Algebra (groups, rings, fields)
+- Formal languages and automata
+- Hardware verification
+- Program verification
+
+## Creator
+
+Charles Norton ([phanerozoic](https://huggingface.co/phanerozoic))