rel
n. countable C2 Proficiency rel
n. a way of showing how two or more things are connected in math or logic. It describes how elements from one group relate to elements in another group.
n. a set of ordered pairs representing a connection between elements of two sets. Often used in set theory and database logic to define how inputs map to outputs.
The rel defines how these numbers connect.
In this database schema, the rel between the customer ID and the order history ensures data integrity.
Advanced set theory explores the properties of a binary rel, such as whether it is reflexive, symmetric, or transitive within a given mathematical space.
Usage
Commonly used as a technical abbreviation for 'relation' in mathematical logic and computer science contexts.