Which of the following gives an example of a set that is closed under addition?
The sum of an even number and an even number
The sum of an odd number and an odd number
The sum of a prime number and a prime number
None of these are an example of the closure property
The sum of an even number and an even number
The sum of an odd number and an odd number
The sum of a prime number and a prime number
None of these are an example of the closure property