Set Builder Notation

• Set Builder Notation

  A) Set

  B) Intersection

  C) Union

  D) Is a member

  E) Is not a member

  
• Set Builder Notation

  A) Empty Set

  B) Complement

  
• Set Builder Notation

  A) Natural numbers

  B) All Integers

  C) All real numbers

  
• Sets can be written as {expression : condition}

  Example: {2x : N}
• The simple expression "x" implies all real numbers by default
• Flip sign when the signs are switched