Add dataset card

README.md

@@ -1,27 +1,21 @@
 ---
-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
-  splits:
-  - name: train
-    num_bytes: 42267108
-    num_examples: 78022
-  download_size: 10643696
-  dataset_size: 42267108
-configs:
-- config_name: default
-  data_files:
-  - split: train
-    path: data/train-*
+license: bsd-3-clause
+tags:
+  - theorem-proving
+  - formal-methods
+  - isabelle
+  - hol
+size_categories:
+  - 10K<n<100K
 ---
+
+# Isabelle-Stdlib
+
+Isabelle/HOL standard library and core theories (78,022 entries).
+
+## Source
+
+- **Repository:** https://github.com/seL4/isabelle
+- **License:** BSD-3-Clause
+
+Includes HOL, HOL-Library, HOL-Analysis, and other core Isabelle theories.