wyznacz as: X= {1,2,3,4,4,6,7,8,9} A={4,5,6,8} B={2,7,8,9} C={1,6,7} wyznacz A': (B∪C)': B'/A: (B/C)'∩A; A∩C'

lula: chyba X powinno być {1,2,3,4,5,6,7,8,9} A'={1,2,3,7,9} (BvC)'= BvC={1,2,6,7,8,9} więc '={3,4,5} B'/A= B'={1,3,4,5,6} więc ={1,3} (B/C)'∩A= B/C={2,8,9} (B/C)'={1,3,4,5,6,7} więc ={4,5,6} A∩C'= C'={2,3,4,5,8,9} więc ={4,5,8}