Defect n-extendable graph

Defect $n$-extendable graph --- дефектно $n$-расширяемый граф.

If $G$ is a connected graph and any $n$ independent edges in $G$ are contained in a near perfect matching of $G$ where $n \leq (|V(G)| - 2)/2$, then $G$ is defect n-extendable.