Question

Can someone tell me how to prove the De Morgans law in set theory?

Answer 1

whats deMorgans law again? something about negating and flipping signs

Answer 2

\[-(AuB)=-A\ n\ -B\]i think

Answer 3

\[(A intersection B)' = A' U B' \]

Answer 4

whew! that was a memory stretch for me :)

Answer 5

:)

Answer 6

i dont think id have a chance at anything resembling set theory notation tho ;)

Answer 7

xeA and xeB

if x is an element of A and B then the opposite of that is that x is either not in A or in B

Answer 8

hey does any1 knw y I am unabl 2 post questions here?