 In 1976, she defended her doctorate's thesis, about God in the Kantian transcendental philosophy, and taught for some time in middle-grade institutes.A research grant allowed her to visit the University of Munich, where she came in contact with critical rationalism, pragmatism, Marxist ethics and more specifically, with the philosophy of Jürgen Habermas and Karl-Otto Apel.Upon reentering academia in Spain, she oriented her research efforts into ethics.