Learning group theory through a simple example. No math knowledge needed. Start with a triangle with vertices labeled 1,2,3, starting from the top and going clockwise. You can perform two functions on the triangle – either a horizontal flip (f) or a clockwise rotation (r).

## Simple Group Theory

## Simple Group Theory

## Simple Group Theory

Learning group theory through a simple example. No math knowledge needed. Start with a triangle with vertices labeled 1,2,3, starting from the top and going clockwise. You can perform two functions on the triangle – either a horizontal flip (f) or a clockwise rotation (r).