i1 : A = graph({{x_1,x_3},{x_2,x_4},{x_1,x_4}}) o1 = Graph{x => set {x , x }} 1 3 4 x => set {x } 2 4 x => set {x } 3 1 x => set {x , x } 4 1 2 o1 : Graph |
i2 : B = graph({{a,b},{c,d},{a,d},{b,c}}, Singletons => {f}) o2 = Graph{a => set {b, d}} b => set {a, c} c => set {b, d} d => set {a, c} f => set {} o2 : Graph |