Group Theory
Introduction
A group is a set of elements equipped with a binary operator that satisfies the following properties.
- Closure
- Identity Element
- Every element has an inverse
- Associativity
Binary Operator
A binary operator is a type of operator that takes tow operands to perform an operation (or calculation) e.g. + - / * %
e.g a . b
a and b are the operands
. is the operator