Set Theory Skills

A complement B

A union B

A difference B

A intersection B

{3}

{1, 3, 4}

{1, 2}

{4, 5}

{red, blue, green, yellow, purple}

{red, blue, yellow, purple}

{red, blue, green, yellow}

{red, blue, yellow}

Complement of the sets

Empty set

Union of the sets

Non-empty set

{4}

{2}

{8}

{6}

{apple, banana, cherry, date}

{apple, cherry, date}

{apple, banana, date}

{apple, banana, cherry, date}

The union of two identical sets is an empty set.

The union of two identical sets is a set with one element.

The union of two identical sets is a set with different elements.

The union of two identical sets is the set itself.

{1, 2}

{2, 3, 4}

{5, 6}

{3, 4}

{x, y, z, w}

{x, y, w}

{x, z, w}

{x, y}

Infinite set

Singleton set

Universal set

Empty set