%0 Journal Article %A Joan Bagaria %A Carles Casacuberta %A A.R.D. Mathias %A Jiří Rosický %T Definable orthogonality classes in accessible categories are small %J Journal of the European Mathematical Society %D 2015 %P 549-589 %V 17 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/511/ %R 10.4171/jems/511 %F JEMS_2015_17_3_a3