Reverse arc
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Reverse arc --- обратная дуга.
For a given arc [math]\displaystyle{ (v,w) }[/math], the arc [math]\displaystyle{ (w,v) }[/math] is called the reverse arc of [math]\displaystyle{ (v,w) }[/math].
Reverse arc --- обратная дуга.
For a given arc [math]\displaystyle{ (v,w) }[/math], the arc [math]\displaystyle{ (w,v) }[/math] is called the reverse arc of [math]\displaystyle{ (v,w) }[/math].