# Set Theory - Relationship

The relationships between set structure is:

## Visualisation

You can visualize them with venn diagram.

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Set Theory - Bijection function (One-to-one relationship)

A Bijection is a mathematical / set function between the elements of two sets (ie binary function) where each element of one set is paired with exactly one element of the other set, each element...
Set Theory - Function (Mathematical)

A function in set theory is known as a Function_(mathematics)mathematical function. It is a relation between sets that associates: every element of the first set to exactly one element of the second...
Set Theory - Operator (Operations)

operator in Set Theory that applies to set structure (set, bag) A data operator produce another set. All relational algebra operator are set-operator. A relationship operator produce...
Set Theory - Subset relationship

The subset relationship indicates that every element of a set is also an element of another set. A is a subset of B. Every element of A is also an element of B.
Set Theory - The in operator

The in relationship indicates that an object belongs to a set (equivalently, that the set contains the object).
Set theory - Equality

in set theory The equality relationship indicates that two sets are equal if they contain exactly the same elements. (There is no order among elements of a set.) Two sets are equal if they contain...