` : BTW, if you are saying ``Clearly [van Hooff] is credible``, aren't you then also implicitly saying that Piñero, Canfora, Kavoukopoulos, Simon, Rodríguez Pascual and others who all are/were real professors are not credible? Their evaluation of Carotta's work and that of the ``Professor Associate`` can't be valid at the same time. —  `