Ufxjxis a student in math 166 this semesterg. Sets in mathematics are an organized collection of objects and can be represented in set-builder form or roster form. In set theory and its applications to logic mathematics and computer science set-builder notation is a mathematical notation for describing a set by enumerating its elements or stating the properties that its members must satisfy.
The roster notation is a simple mathematical representation of a set in mathematical form.
X x 5. A set is given a name usually an uppercase letter. Universal set and absolute complement. Any value less than 5.