  This unequivocally empiricist claim was compounded by the denial of any ‘pure intellect.’ Regius had never appealed to a ‘pure understanding’ as a source of ideas, and had often asserted the ‘organic’ connection between mind and body. He had defined ‘organic’, in the first of his Physiologia disputations (Bos 2002, 200), in contrast with ‘inorganic’ as almost a synonym for ‘bodily dependent’. Organic parts of the body, such as the nerves, veins, or muscles, required a certain physical conformation of the body in order to perform an action. When applied to the mind, therefore, the term ‘organic’ suggested that the mind could perform mental operations only on condition that various bodily parts functioned appropriately at the same time.