Vitamin B2, also called riboflavin, is essential for proper adrenal function and overall nerve health. Dairy products, such as cheese, are rich sources. Vitamin B2, also called riboflavin, is essential for proper adrenal function and overall nerve health.
n. 1. (Mathematics) maths. a. a set the members of which are all members of some given class: A is a subset of B is usually written AâB. b. proper subset one that is strictly contained within a larger class and excludes some of its members.
The primary topic of this lesson was subsets in math. A set is a subset if all of its elements are elements of another set. It is important to remember that a set itself can be an element of another set. There were other definitions provided in this lesson that are listed again below: 1  A set is a collection of elements or objects.