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    • Finitely coloured ordinals 

      Mwesigye, F.; Truss, J. K (Department of Pure Mathematics, University of Leeds, Leeds LS2 9JT, UK, 2010)
      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 ...