2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115784We modify the model of Deffuant et al. to distinguish true opinion among others in the fashion of Hegselmann and Krause <http://jasss.soc.surrey.ac.uk/9/3/10.html>. The basic features of both models modified to account for truth seekers are qualitatively the same.RevTeX4, 2 pages, 1 figure in 6 eps filesPhysics and Societytext