change owner, switch to public domain license

README.md

@@ -10,18 +10,11 @@ pretty_name: Basic Math 1M
 size_categories:
 - 1M<n<10M
 license:
-- cc-by-sa-4.0
-- gpl
+- cc0-1.0
 ---
 
 # Basic Math 1M
 
-A dataset of 1 million basic arithmetic problems with potential user prompts. See [the numerical version](https://huggingface.co/datasets/lmlab/basic-math-1m-numerical) for a version with only numbers.
+A dataset of 1 million basic arithmetic problems with potential user prompts.
 
-## License
-
-Basic Math 1M is dual-licensed under the GNU GPL license and the CC-BY-SA 4.0 license, you may choose either at your choice. If you are interested in including this dataset in another differently-licensed dataset, please contact me.
-
-## Credit
-
-Basic Math 1M was inspired by [Simple Math](https://huggingface.co/datasets/fblgit/simple-math) but was created independently.
+Basic Math 10M was inspired by [Simple Math](https://huggingface.co/datasets/fblgit/simple-math).