MATH 1ST-3RD QURTER

• Set - well defined group of objects
• What are the group of objects called in a set? - elements (∈)
• Roster Notation - listing elements inside the symbol { }
• Set Builder Notation - lists rules that determine whether anobject is an element of the set
• Verbal Description - describes a set in wordds
• Verbal Description - describes a set in words
• Null Set - an empty set
• Equivalent set - 2 sets that contain the exact same number of elements
• Equal Set - exactly the same elements
• Joint Sets - common elements
• Disjoint Sets - does not have common elements
• Equivalent Set sign - ~
• Equal Set Sign - =
• Universal Set - All possible elements
• Proper subset ⊂- if set A does not contain all elements of set B
• Subset - if all elements of A is also also elements of B
• Interaction of Sets - set of elements that are members of both A and B
• Union - can be elements of both A or B
• Difference - set of elements in A that are not in B.
• Complement of Sets ' - all the elements in the universal set (𝕌) that are not in set A.