13 - Universal Set Video Lecture | Sets and Functions - JEE

Universal set when we hear the word
Universal set we usually think it is the
set that contains everything that is
thought or known to exist but in
actuality it does not have to be the set
of everything
for instance considered the scenario
where we are dealing with the system of
positive numbers the sets we will be
interested in could possibly be the set
of all even numbers the set of all
composite numbers the set of all odd
numbers and the set of all prime numbers
observe that all these vets are the
proper subsets of the set of all natural
numbers this basic set is the universal
set to deal with the system of positive
numbers
a universal set is the set of all the
elements one wishes to consider in a
given situation it is usually donated by
capital you as an another example when
we are dealing with the following sets
the universal set could be the set of
all integers between 1 and 100 note that
Universal set in this case is a finite
set
similarly for human population studies
the universal set consists of all the
people in the world
so this was about Universal set hope you
enjoyed this tutorial we will meet in
the next video