User talk:Iwchoikr

Welcome!
Hello, Iwchoikr, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are a few links to pages you might find helpful:
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Please remember to sign your messages on talk pages by typing four tildes ( ~ ); this will automatically insert your username and the date. If you need help, check out Questions, ask me on my talk page, or, and a volunteer should respond shortly. Again, welcome! Favonian (talk) 18:36, 29 January 2018 (UTC)

Categorizing French mathematicians
Laplace was already included in Category:18th-century French mathematicians and Category:19th-century French mathematicians, so including him in Category:French mathematicians is redundant]]. Furthermore, you should preview your edits which would in this case have shown some red links, indicating that you got the syntax wrong. Favonian (talk) 18:36, 29 January 2018 (UTC)