Wikipedia talk:Featured list candidates/Table of mathematical symbols

Is this statement correct? (Re: "+") disjoint union A1 + A2 means the disjoint union of sets A1 and A2. A1 = {1, 2, 3, 4} ∧ A2 = {2, 4, 5, 7} ⇒ A1 + A2 = {(1,1), (2,1), (3,1), (4,1), (2,2), (4,2), (5,2), (7,2)} 71.209.54.158 23:34, 24 July 2007 (UTC)jseyfert