Contemporary philosophy from Husserl focuses in the notion of world. Polo in his theory of knowledge explain a notion of world that solves some latent difficulties in the speeches of Husserl and Heidegger.

In the Course of Theory of Knowledge, Leonardo Polo studies the operations and habits of intelligence. He studies intellectual operations as ways of having. Operatively, the intelligence possesses according to four modlaities that are treated here: abstraction, generalization, rational prosecution and logos.