2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78233A weight system is defined from the (multivariable) Conway potential function. We also show that it can be calculated recursively by using five axioms.16 pages, 2 figures, to appear in J. London Math. SocGeometric TopologyQuantum Algebra57M25; 57M05text