Many people with fibromyalgia continue to work full or part time. But the chronic pain and fatigue associated with fibromyalgia often make working very difficult. If you are employed, it's important to learn about managing fibromyalgia symptoms and coping with pain and fatigue.
Definition of SET THEORY. : a branch of mathematics or of symbolic logic that deals with the nature and relations of sets.
Definition of Theory: A theory is a systematic set of interrelated statements intended to explain some aspect of social life.  Functions of theory:  Prevents flukesâ.  Make sense of observed patterns in ways that suggest other possibilities.  Shapes and directs research efforts.