%0 Journal Article %A Alonso Morón, Manuel %T Prabir Roy's space Δ as a counterexample in shape theory %D 1986 %@ 0002-9939 %U https://hdl.handle.net/20.500.14352/64642 %X In this note we use the space Δ in order to prove that a result concerning movability and mutational retractions cannot be transferred from the compact to the arbitrary metrizable case %~