User talk:129.45.7.9

June 2022
Please refrain from making unconstructive edits to Wikipedia, as you did at Set theory. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Favonian (talk) 10:52, 18 June 2022 (UTC)