User talk:223.189.185.180

October 2020
Hello, I'm Samf4u. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Null set—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Samf4u (talk) 13:02, 28 October 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

Please refrain from attempting to make unconstructive edits to Wikipedia. Your edits appear to constitute vandalism and have been [ disallowed by an edit filter.] If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Materialscientist (talk) 13:12, 28 October 2020 (UTC) You have been blocked temporarily from editing for making (or attempting to make) disruptive edits that repeatedly triggered the edit filter. Once the block has expired, you are welcome to make useful contributions. If you think there are good reasons for being unblocked, please read the guide to appealing blocks, then add the following text below the block notice on your talk page:. Materialscientist (talk) 13:12, 28 October 2020 (UTC)