User talk:Faizulhasan

September 2008
Welcome to Wikipedia. The recent edit you made to Set theory has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you.  abf  /talk to me/  06:04, 22 September 2008 (UTC)