Relations -domain , range


Ask a Question, Get an Answer!
Hundreds of tutors are online and ready to help you right now!
A relation R is a non-empty sub-set of a cartesian product. A relation R is a non-empty sub-set of a cartesian product.

A relation is a set of ordered pairs, i.e., R Ì A x B where A and B are two non-empty sets. If R is a relation, write x R y or (x, y) R and we say x is R-related to y.

Iff x R y

Domain of a relation is the set of all first components.

Range of a relation is the set of all second components.

Examples:

a) "x is less than y"

b) " x is greater than y"

c) "x is multiple of 3"

d) "x divides y"

e) "Cube of x plus the square of y is 25"

f) "Triangle x is congruent to triangle y "



Ask a Question? Get an Answer!

connect to a tutor


Related Searches

customer relations

;,  

relations and functions summary

,  

domain relations

,  

relations and functions

,  

relations

,  

binary functions

,  

functions or mappings

...more