non-earthly matters are presumed invalid. In I Frederick Copleston, S.J., A History of Philosophy at pt. 4, 24-25 (1962), Father Copleston observes-with typical succinct brilliance-regarding the above passage from Aristotle: Thus if a patient who suffers from delirium tremens "sees" pink rats, the senses as such do not err; error arises when the patient judges that the pink rats are "out there,...

The deontic logic dus is a deontic update semantics for prescriptive obligations based on the update semantics of Veltman. In dus the definition of logical validity of obligations is not based on static truth values but on dynamic action transitions. In this paper prescriptive prima facie obligations are formalized in update semantics. The logic formalizes the specificity principle, has reinsta...

Ethical intuitionists like W.D. Ross adopt the common sense view that there is an irreducible plurality of types of ethically relevant considerations. They furthermore hold that there is no explicit method determining how to move from facts about which considerations are present to a conclusion about what it would be right to do. In order to systematize our moral reasoning, ethical intuitionist...

Escribir algunas líneas referidas a feminismos y problemáticas ambientales significa hablar de tramas conceptuales que desde mi punto vista lideran el pensamiento en este siglo XXI. El conjunto las voces (como figura metonímica) los sujetos hablan piensan estas perspectivas nos permite visualizar fotos del crítico instalado presente desasosiego. Si bien había un acuerdo ciertas explicaciones no...