User talk:106.223.93.171

June 2018
Hello, I'm TYelliot. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Writing of Principia Mathematica— 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. TYelliot &#124;  Talk  &#124;  Contribs  16:02, 13 June 2018 (UTC)
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