Some road type classifications are influenced by city size, traffic density, and regional conventions. For example, in a very large city a primary street may have three or more lanes in each direction on a divided road. While in a town of dirt roads, the only paved single lane street could be a primary street.
subset - a set whose members are members of another set; a set contained within another set. set - (mathematics) an abstract collection of numbers or symbols; the set of prime numbers is infinite. Translations. podmnoÅ¾ina.
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.