2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/74005We show that if a classical knot diagram satisfies a certain combinatorial condition then it is minimal with respect to the number of classical crossings. This statement is proved by using the Kauffman bracket and the construction of atoms and knots.References correctedGeometric Topology57M25Minimal diagrams of classical knotstext