Author : Roger Green
Locke improved Cartesian realism supposing that his empirical method allows him to explain the meaning of hidden essences in our guesses. Locke explained that humans' secondary ideas do not allow to understand what cause them, while primary ideas are "qualitatively identical with their archetypes, thus affording us a conceptual bridgehead in reality itself". Locke distinguished primary and secondary qualities stated that each object has its primary qualities, and other qualities which produced by power in the object itself are secondary. This power in the object affects human's sensors.Secondary qualities are subjective while primarily are objective qualities. Primary qualities of the object Complex are based on the active power of human's mind to compare and contrast, compound and abstract the knowledge. During this processes, Locke explained, human mind produces new complex ideas from the separate parts provided by our experience. Locke distinguished three levels: simple and mixed modes, relations and substances. Under modes he meant ideas that join elementary elements to create a new whole. Under substances Locke understood ideas of a particular object that exist on their own.These ideas are based on thir secondary qualities and powers. Relations mean ideas that connected the other ideas with each other. Simple ideas are the core of knowledge. Based on these ideas complex ideas are built. (4) The Lock's theory was deductive, because it is possible to give exact indication of mathematical terms and deductive demonstrations of mathematical truths. Locke supposed that even morality is subdued to deductive demonstration. Further Lock's theory was developed by Berkeley and Hume. Hume supposed that people have "no ideas of bodies without the secondary quolities" (Of the Modern Philosophy, 2005). Berkeley explained that the limitation of this theory is that people have no ideas of solidity. He supposed that the ideas of notion, body, extention, and soplidity depends upon each other. Hume rejected the fact that people have sensory impressions of solidity that differs from sensory impressions of secondary qualities.Produced by ProfEssays ( http://www.professays.com ) - professional custom essay writing service: custom essays, custom term papers, custom academic papers, custom research papers, compositions, book reports, case study. No plagiarism, high quality, prompt delivery.
Keyword : philosophy, John Lock, realism
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