(Department of Pure Mathematics, University of Leeds, Leeds LS2 9JT, UK, 2010) Mwesigye, F.; Truss, J. K
Abstract. Two structures A and B are n-equivalent if player II has a winning strategy in the
n-move Ehrenfeucht-fraïssé game on A and B. Ordinals and m-coloured ordinals are studied up to n-equivalence for various values of m and n.
