The order of a group $(G,\ast)$ is the cardinality of the set $G.$ It is denoted by $|G|.$ We call $G$ a finite group, if $|G|$ is finite. Otherwise we call $G$ an infinite group.
Explanations: 1 Proofs: 2 3 4 5 Propositions: 6 Theorems: 7 8 9 10
Thank you to the contributors under CC BY-SA 4.0!
