SOLUTION: { A, B, C, D, H } Union (Roman Alphabet) = Roman Alphabet. L,M,N,O,P are letters in the set Roman Alphabet and hence also have property ZINGER. QED. Endwall 04/07/2018 (Sat) 04:51:03 [Preview] No. 1199 del >but if you ever have the chance to run it by a lawyer, you should.