The plan for today is to take some pain medicine, finish packing, and watch at least one good movie. I may try to go for a run, as the half marathon is less than a month away, but weâll see how Iâm feeling later. The moral of the story is: Iâm happy. Iâm ready.
Extensional definition. An extensional definition of a concept or term formulates its meaning by specifying its extension, that is, every object that falls under the definition of the concept or term in question.
Definition: Set. Before we define the empty set, we need to establish what a set is. A set is a collection of distinct elements or objects. Each element is discernible from the other elements of the set. In other words, we need to be able to distinguish one element from another.