-- -*- M2-comint -*- {* hash: -1348596799 *} i1 : R = QQ[a..f]; i2 : G = graph {a*b,b*c,c*a,b*d}; i3 : isLeaf(G, d) o3 = true i4 : isLeaf(G, getEdgeIndex(G, {b,d})) o4 = true i5 : isLeaf(G, a) o5 = false i6 : isLeaf(G, getEdgeIndex(G, {a,b})) o6 = false i7 : H = hyperGraph {a*b*c,b*d,c*e,b*c*f}; i8 : K = hyperGraph {a*b*c,b*d,c*e}; i9 : isLeaf(H, a) o9 = true i10 : isLeaf(H, getEdgeIndex(H, {a,b,c})) o10 = true i11 : isLeaf(K, a) o11 = false i12 : isLeaf(K, getEdgeIndex(K, {a,b,c})) o12 = false i13 :