# Concept derivation guides

299 concept teaching guides, separate from the 36,000 individual question derivations.

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Concept guide



## [Checking every edge and internal vertex of a feasible flow](/en/derivations/derivation-mko-finite-flow-network-01/?from=%2Fen%2Fderivations%2F%3Fq%3Dmko-finite-flow-network)

Audit a complete flow network with antiparallel edges, a zero-capacity edge and a zero-flow vertex.

Finite flow network

derivation-mko-finite-flow-network-01





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