polygons duplicates

Discussion created by hazemhafez377 on May 5, 2012
Latest reply on May 11, 2012 by tonylocandro
Hi all, i would like to detect polygons duplicates( tow or three polygons above others) in one polygon layer. How can i do that ? What tool do I need to use ? 

because this polygon imported from autocad format and have some errors in it , so i want to delete this errors (duplicates)

Thanks very much