User talk:49.195.78.200

July 2019
Hello, 49.195.78.200, welcome to Wikipedia and thank you for your contributions. Your editing pattern indicates that you may be using multiple accounts or coordinating editing with people outside Wikipedia. Our policy on multiple accounts usually does not allow this, and users who use multiple accounts may be blocked from editing. If you operate multiple accounts directly or with the help of another person, please disclose these connections. Thank you. Jingiby (talk) 15:34, 21 July 2019 (UTC)

June 2020
Hello, I'm Materialscientist. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Entscheidungsproblem—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. Materialscientist (talk) 10:13, 9 June 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.