If a graph $\displaystyle G $ has a closed walk of length at least three containing a vertex $\displaystyle x$, then $\displaystyle G$ has a cycle
containing $\displaystyle x$.
Can anyone explain why this statement is true or false?
If a graph $\displaystyle G $ has a closed walk of length at least three containing a vertex $\displaystyle x$, then $\displaystyle G$ has a cycle
containing $\displaystyle x$.
Can anyone explain why this statement is true or false?