sharedoc

The set of all rational numbers often referred to as the rationals the field of rationals or the field of rational numbers is usually denoted by a boldface q or blackboard bold displaystyle mathbb q unicode ℚ. In mathematics we often classify different types of numbers into sets based on the diffe…

These are called the natural numbers or sometimes the counting numbers. Various number systems constructed using limits of rational numbers according to notions of limit different from the one used to construct the real numbers. The Real Number System Youtube This set is sometimes written as c …