Question 10014 – Graph-Theory
February 2, 2024Question 9778 – Graph-Theory
February 2, 2024Question 10016 – Graph-Theory
Let (A, *) be a semi group. Furthermore, for every a and b in A, if a ≠ b, then a*b ≠ b*a.
(a) Show that for every a in A
a*a = a
(b) Show that for every a, b in A
a*b*a = a
(c) Show that for every a, b, c in A
a*b*c = a*c
Correct Answer: A
Theory Explanation.