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Summary of set operations

Here is a summary of the main set operations with the following subsets $$A$$ and $$B$$ of $$E$$ $$$ A = \{1,2\},\quad B=\{2,3\},\quad E=\{0,1,2,3\}.$$$

Operation Complement Union Intersection
Notation $$A'$$ $$A\cup B$$ $$A\cap B$$
Meaning Not in In either or both In both
Example $$\{0,3\}$$ $$\{1,2,3\}$$ $$\{2\}$$
Venn Diagram