Update README: add training as primary use case

README.md

@@ -6,14 +6,39 @@ tags:
   - theorem-proving
   - formal-methods
   - coq
+task_categories:
+  - text-generation
+  - feature-extraction
+language:
+  - en
 size_categories:
   - 1K<n<10K
 ---
 
 # Coq-OddOrder
 
-Formal proof of the Feit-Thompson (Odd Order) Theorem (2201 entries).
+Structured dataset from **odd-order** — Formal proof of the Feit-Thompson Odd Order Theorem.
+
+**2,201 declarations** extracted from Coq source files.
+
+## 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://github.com/math-comp/odd-order
+
+## Schema
+
+| Column | Type | Description |
+|--------|------|-------------|
+| fact | string | Declaration body |
+| type | string | Lemma, Definition, Theorem, etc. |
+| library | string | Source module |
+| imports | list | Required imports |
+| filename | string | Source file path |
+| symbolic_name | string | Identifier |