Use the element method for proving a set equals the empty set to prove each statement in
Chapter 6, Problem 30(choose chapter or problem)
Use the element method for proving a set equals the empty set to prove each statement in 25–35. Assume that all sets are subsets of a universal set U.
For all sets A and B, if \(A \subseteq B\) then \(A \cap B^{c}=\emptyset\).
Text transcription:
A subseteq B
A cap B^c =emptyset
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