2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/87758The definition of nonequilibrium entropy is provided for the general nonequilibrium processes by connecting thermodynamics with statistical physics, and the principle of entropy increment in the nonequilibrium processes is also proved in the paper. The result shows that the definition of nonequilibrium entropy is not unique.Data Analysis, Statistics and Probabilitytext