A group is a collection of elements and an operation. Which of the following best describes the property of a group?
A) There is an identity element.
B) Any element has an inverse.
C) The operation is associative.
D) All of the above

Question

Quizplus · Accepted Answer

A group must satisfy all three properties, namely, having an identity element, every element having an inverse, and the operation being associative.

A Group Is a Collection of Elements and an Operation