We find from his writings, that he admitted the truth of Aristotle's general principles, and made them the foundation of his public lectures on philosophy.
Matter and form, the different principles of causation, the division of the soul into the vegetable, the sensitive, and the rational, may all be found in the speculations of Derodon.
Hence his contention with the predicaments of Aristotle; his attempted refutation of the term universal; and the contrasts he instituted between the whole system of the Stagirite, and the philosophical opinions of Plato, Democritus, Epicurus, and many other distinguished men of antiquity.
Derodon took great delight in discussions on the nature of genus and species, and on those curious and puzzling questions which go under the name of the Cross of Logicians.
He wrote a considerable number of works against the doctrines of the Roman Catholic Church, which had a wide circulation, and were translated into several foreign languages.
His complete works were collected into two volumes, and published soon after his death (Derodonis Opera Omnia, Geneva, 1664 and 1669, 2 vols.