Berkeley: Abstract Ideas

„Beside the external Existence of the Objects of Perception, another great Source of Errors and Difficulties, with regard to Ideal Knowlege, is the Doctrine of Abstract Ideas„. (§ 97) #Berkeley #AbstractIdeas

Berkeley, George, A Treatise Concerning the Principles of Human Knowlege: Part I. Wherein the Chief Causes of Error and Difficulty in the Sciences, with the Grounds of Scepticism, Atheism, and Irreligion, are Inquir’d Into. Dublin 1710.