\begin{definition}[Definition:Reidemeister Move]
The '''Reidemeister moves''' are one of three operations on knots which encapsulate the intuitive notion of '''equivalent knots'''.  
The three moves are shown below.
:File:Reidemeister move 1.png 
:File:Reidemeister move 2.png 
:File:Reidemeister move 3.png
{{namedfor|Kurt Reidemeister}}
{{SUBPAGENAME}}
\end{definition}