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.
The complement of a set A (denoted by Aâ) is the set of elements which are not in set A. Hence, A' = {x | x â A}. More specifically, A'= (U â A) where U is a universal set which contains all objects. Cartesian Product / Cross Product. The Cartesian product of n number of sets A1, A2 .....An, defined as A1 Ã A2 Ã.....