Theorems and Counterexamples in Mathematics (Problem Books in Mathematics)
Publisher: Springer
Published: March 25, 1993
Language: eng
Number of pages: 305
ISBN-13: 9780387973425
First sentence: By definition a group is a nonempty set G and a map G x G {x, y} xy G subject to the following axioms: i. If x, y, z G then x(yz) = (xy)z (associativity).