Question: Let { G = ( V , E ) , s , t in V , c ( e ) for e in E }

Let {G=(V,E), s, t in V, c(e) for e in E} be a network. Let f be a flow across the network. Consider the set R, of vertices v with the property that there is a path from v to t in the residual network of f. The cut (V-R, R) is a min st-cut of G

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