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page.130 Ex.20
Ex.20
Show that if A and B are sets, then (A[tex]\cap[/tex]B) [tex]\bigcup[/tex] (A[tex]\cap[/tex]B) = A.
how do u solve this?
Ex.20
Show that if A and B are sets, then (A[tex]\cap[/tex]B) [tex]\bigcup[/tex] (A[tex]\cap[/tex]B) = A.
how do u solve this?