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.
Definition: Set. Before we define subset, we need to refresh ourselves on what a set is. A set is a collection of elements or objects. These elements are usually related in some way, but this is not necessary. However, each element needs to be discernible from the other elements of the set.