En este trabajo critico la interpretación moralizada de la obligación política en Hobbes que defiende Luciano Venezia. Exploro una lectura diferente que evita una dicotomía tajante entre las razones prudenciales y las razones morales y subraya en cambio la discontinuidad entre la normatividad subjetiva de la ley natural y la normatividad objetiva de la ley positiva. Sostengo que el contrato de sujeción política establece obligaciones objetivas recién cuando el soberano exige el cumplimiento de los contratos. La obligación política es entonces (...) una forma de obligación jurídica. Además, enfatizo que la comunidad moral de Hobbes solo es posible dentro del Estado. In this paper, I criticize Luciano Venezia's moralized interpretation of the Hobbesian concept of political obligation. I explore a different reading that avoids a clear-cut dichotomy between prudential and moral reasons and underscores instead the discontinuity between natural law's subjective normativity and civil law's objective normativity. I contend that the pact of political subjection establishes objective obligations only when the sovereign requires the fulfillment of contracts. Political obligation is then a form of legal obligation. In addition, I emphasize that Hobbes's moral community is only possible within the State. (shrink)

In this article I explore certain modeling in Aristotle's zoological work. In particular, I am interested in the type of theoretical schemes in which Aristotle does not claim anatomical or physiological precision because they refer to more than one genus of animals or their parts or activities. On the one hand, I analyse the triaxial scheme of the faculties of animals in the De Incessu Animalium 4, in which the dimensions are defined not by their position but by a function. (...) On the other hand, I examine the diagram of the De Motu Animalium 9, in which Aristotle concludes that the material middle of the animal, the heart, cannot originate simultaneous movements, so there must be something that moves without being moved. I believe that this model also distinguishes its elements not by their positions but their functions. The geometric terms assigned in each case account for certain functions of animals, presenting a double value of the analogy: between the animal domain and the geometric one, and granting the necessary generality to capture the similarity between different genus within the animal domain itself. (shrink)