Fragmentos de la Modernidad: Filosofía de la Historia e Imperativo de la Modernidad en José Ortega y Gasset y María Zambrano // [Fragments of Modernity: Philosophy of History and Imperative of Modernity in José Ortega y Gasset and María Zambrano] Jorge Velázquez Delgado 2007 (post)modernity 1 theory and philosophy of historiography schools/paradigms