Sets and Venn Diagrams

this means that something is an element of a particular set

this means that something is not an element of a particular set

this means the elements that are the same in two sets

this means two sets together regardless of the numbers inside of them

this means that all the elements in one set are all in another set (a set within a set)

this means that all the elements in one set are not in another set

this means that there is nothing in this set

this is the cardinal number. It means the amount of elements in a given set