2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/126282The Kramers-Wannier duality is shown to hold for all the even number spin correlation functions of the two dimensional square lattice Ising model in the sense that the high temperature $(T>T_{c})$ expressions for these correlation functions are transformed into the low temperature $(T<T_{c})$ expressions under this duality transformations.7 pages, no figuresStatistical MechanicsMathematical PhysicsDuality and even number spin-correlation functions in the two dimensional square lattice ising modeltext