There are four assumptions in Theorem 5.1(a):e * a = a for each a E Ga * e = a for each
Chapter 5, Problem 5.23(choose chapter or problem)
There are four assumptions in Theorem 5.1(a):e * a = a for each a E Ga * e = a for each a E Gf * a = a for each a E Ga * f = a for each a E G.The proof of Theorem 5.I(a) uses only two of these assumptions. Which two? Which of thethree axioms for a group are used?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer