"The Cartesian view - the nature of, and the behaviour of things (language, logic, mathematics, physics) was explained by universals. This fails (cf Hume)."
(source 
section 'Mind')
Universal"The Cartesian view - the nature of, and the behaviour of things (language, logic, mathematics, physics) was explained by universals. This fails (cf Hume)."
(source section 'Mind')