[2] During his life Berti has received numerous honors, including the title of Academician of Lincei and the appointment of Grand Officer of the Order of Merit of the Republic.
Materialistic metaphysics are those of Leucippus and Democritus and, in Modern philosophy, La Mettrie, Helvetius, Marx and Engels.
Idealistic metaphysics are those according to which "everything derives from the Idea, Consciousness, Reason, Thought, pure Ego, Absolute Spirit" and are those of Fichte, Schelling, Hegel and Giovanni Gentile.
According to the metaphysics of participation, entities possess a character or perfection of the first principle in an imperfect and partial form, because they are derived from it.
Belonging to this paradigm are the philosophy of Aristotle, St. Thomas Aquinas (in the Five Ways) and Gustavo Bontadini, author of the volume Saggio di una metafisica dell'esperienza (Essay on a Metaphysics of Experience).