Kant’s attitude towards Newton is ambiguous though he owes much to him. Although Newton’s physics is a paradigm of science for Kant, he is fully aware that few appearances occur accurately according to the way described by mechanics. When he ties the principles of his philosophy with Newton’s mechanics, Kant makes a mistake, for due to the development of knowledge it began losing its absolute position in science in his day. In Opus postumum Kant recognizes the mistake and no longer refers to the rules of Metaphysische Anfangsgründe der Naturwissenschaft as the ultimate ones. Till the beginning of his work on Opus postumum Newtonian mechanics was a paradigm of science for Kant. It ceases to be so in Opus postumum, where Newton is pre...