4BlackshearChangSankaranarayananandSridharanDenition1RealizableGraphsEdgesandSubgraphsAgraphGisrealizableithereexistsasequenceofassignmentsa1aNsuchthatG0a1G1aNGNGwhereG0X ID: 297526
4Blackshear Chang Sankaranarayanan andSridharanDenition1(RealizableGraphs Edges