Yes, because naturals are counting numbers, {1,2,3...} and any natural number added by another natural number has to be a natural. Think of a number line, and your adding the natural numbers. The sum has to be natural, so yes it is closed.
Chat with our AI personalities
The numbers are not closed under addition because whole numbers, even integers, and natural numbers are closed.
The set of even numbers is closed under addition, the set of odd numbers is not.
yes because real numbers are any number ever made and they can be closed under addition
yes
Hennd