In a universe of 343434 elements, by De Morgan's law for sets, (AcupB)c(A \\cup B)^c(AcupB)c equals:
AcapBA \\cap BAcapB
AccapBcA^c \\cap B^cAccapBc
AccupBcA^c \\cup B^cAccupBc
(AcapB)c(A \\cap B)^c(AcapB)c