So in some ways, you can kind of imagine that we're bringing these two sets together. So this is going to be. And the key here is that a set is a collection of distinct objects. And the way we're conceptualizing things right here, this is the number 3. This isn't like somebody's score on a test or the number of apples they have. So there you could have multiple people with the same number of apples. Here we're talking about the object, the number 3.