LOGIC JOURNAL OF THE IGPL, vol.17, no.3, pp.267-272, 2009 (SCI-Expanded)
We show that there exists an atomic polyadic equality algebra of dimension n that is elementary equivalent to a completely representable algebra, but its diagonal free reduct (obtained by deleting diagonals and substitutions) is not completely representable. © The Author 2009. Published by Oxford University Press. All rights reserved.