# Math Vocab

## 13 terms

### Set

collection of objetcs. named with a capital number. 2 kinds - roster form & set bulider notation

### roster form

you list the names of the members of the set between braces.

### Set builder Notation

general rule for determining whether or a particular element is a member of the set

### Element

objects or members of the set

### subset

set whose elements are completely contained in a larger set. Every subset is a subset of itself

### Universe/ Universal set

the set of all possible elements avalible to form subsets

### union

formed by joining together or unitting the 2 sets. Contains all the elements that are in either setq

### intersetion

contains only the elements that both sets have in common.

### the empty set

doesnt contain any elements - subset of every set

### the null set

doesnt contain any elements - subset of every set

### disjoint

when intersetion of 2 sets is the empty set.

### finite

has a counable number of elements

### infiniate

has a non ending, uncountable number of sets.