2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/128386We show that the number of operators in the presently known mesonic chiral Lagrangian of order p^6 in the two-flavour sector can be reduced by at least one from 57 to 56 by providing an explicit relation among the operators. We briefly discuss the relevance of this new relation.Revtex, 2 pagesHigh Energy Physics - PhenomenologyOn the mesonic Lagrangian of order p^6 in chiral SU(2)text