User talk:Keenster12

January 2015
Hello, I'm Excirial. I wanted to let you know that I undid one of your recent contributions —the one you made with this edit to Duality (projective geometry)— because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Excirial ( Contact me, Contribs ) 20:10, 29 January 2015 (UTC)