Collection of Objects
Set
Element
The symbol we use to identify the elements of a set is this.
This is an element symbol.
Its called the number of elements or members it contains.
Equal sets
Cardinality of a set
This are sets containing the same elements no matter what order they are placed.
Equivalent sets
Equivalent sets is sets containing the same cardinality or same number of elements.
It is a set containing all the elements of a smaller set.
Subsets
Super set
Smaller sets formed is called subsets
Set with an exact number of element
Infinite set
Finite set
Set with an indefinite number of elements
Disjoint set
Joint sets are set with common elements.
Disjoint sets are set without common elements.
This symbol is the intersection of two sets that contains all elements that belong to both sets.
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