User talk:Greentower

Welcome!

Hello,, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful: I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes ( ~ ); this will automatically insert your username and the date. If you need help, check out Questions, ask me on, or ask your question on this page and then place  before the question. Again, welcome! Doc Quintana (talk) 15:51, 26 October 2009 (UTC)
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July 2010
Welcome to Wikipedia. Everyone is welcome to make constructive contributions to Wikipedia, but at least one of your recent edits, such as the one you made to Pigeonhole principle, did not appear to be constructive and has been automatically reverted by ClueBot.
 * Please use the sandbox for any test edits you would like to make, and take a look at the welcome page to learn more about contributing to this encyclopedia. Note that human editors do monitor recent changes to Wikipedia articles, and administrators have the ability to block users from editing if they repeatedly engage in vandalism.
 * Cluebot produces very few false positives, but it does happen. If you believe the change you made should not have been detected as unconstructive, please report it here, remove this warning from your talk page, and then make the edit again.