Relation

Set of ordered pairs in mathematics and logic.

connection association

In mathematics and logic, a relation is a set of ordered pairs. It can also refer to the way in which things are connected.

/rɪˈleɪʃ(ə)n/

From Latin relatio, from relatus, past participle of relare ‘to recount, report’.

A relation is like a list of pairs that shows how things are connected, like matching friends to their favorite colors.

association connection link

set theory logic

function equivalence relation partial order

mathematics logic

logical concept mathematical concept