From: Jamal Soueidan Date: 2011-01-15T06:07:53+09:00 Subject: array dynamic intersection and union Hello, I was wondering If could intersect and union array dynamic in my code. Let us say I have these conditions. array = A & B | (C & D ) & E Is their any ways of doing these stuff dynamic if all the objects was arrays. A = [1,2,3,4,5] Thanks for any help. -- Posted via http://www.ruby-forum.com/.