The aim of the present paper is to show the need for cosmology in Peirce’s thought. To reach this goal, I first clarify Peirce’s definition of cosmology and its place in the classification of the sciences. Then, I shed slight on the entailment of cosmology in Peirce’s understanding of metaphysics and of logic, and I elucidate these connections in view of Synechism. Finally, in the light of the results achieved through the analysis, I provide a summarily description of Peirce’s cosmology, (...) far from the common interpretation of it. (shrink)

Peirce’s theory of categorization is reconstructed and shown that the canonical form of the categories proposed by him are Firstness, Secondness, Thirdness. The related categories of Tychism, Synechism and Agapism are also discussed and shown several problems. In particular, I discuss about the sense in which we can speak of ultimate and basic categories, the different forms of relations, the different kinds of causes, the principle of habit-forming, the possible evolution of laws, the role of representation in our dealing with (...) reality. (shrink)