Only loaning simultaniously the number of copies you have in your possession is part of the CDL model, so no, they were not. Cf https://controlleddigitallendin

Only loaning simultaniously the number of copies you have in your possession is part of the CDL model, so no, they were not. Cf https://controlleddigitallending.org/statement https://controlleddigitallending.org/statement Properly implemented, CDL enables a library to circulate a digitized title in place of a physical one in a controlled manner. Under this approach, a library may only loan simultaneously the number of copies that it has legitimately acquired, usually through purchase or donation. For example, if a library owns three copies of a title and digitizes one copy, it may use CDL to circulate one digital copy and two print, or three digital copies, or two digital copies and one print [...]