👉 In mathematics, a koerg is a set of axioms and a system for defining properties of the real numbers. These axioms are based on Euclidean geometry and include definitions of addition, subtraction, multiplication, division, and inverse operations. The system defines a "number" that can be added to any other number, multiplied by any other number, divided by any other number, raised to any power, and so on. A koerg is also known as a system of axioms for the