Prove that A # B if and only if Jx(x € A x #B) Jx(x #A xeB)
Added by Miguel -Ngel M.
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A # B means that A and B are disjoint sets, which means they have no common elements. Now, let's look at the statement we need to prove: A # B if and only if Jx(x € A x #B) Jx(x #A xeB). The symbol Jx means "for all x", so the statement can be read as "For all Show more…
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