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John Locke's Theory of Knowledge Essay

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John Locke was an empiricist who believed that people could acquire knowledge from experience. Ideas acted as raw materials and by knowing the relation of the ideas, we got knowledge. All ideas are based on experience but knowledge can also be justified by intuition and demonstration. By sensation and reflection, we get sensitive, intuitive and demonstrative knowledge with different degrees of certainty and ways of evidence. In investigating the two main sources of ideas of Locke, we then will explain the two kinds of knowledge which based on reasoning by using suitable examples. The existence of external objects by sensation will also be proved. At last, we will introduce the dream arguments …show more content…

Sensation and reflection are the only origins that our ideas take their beginnings.

Intuitive knowledge is of greatest certainty by immediate perception of the mind without others intervention. In intuitive knowledge, the mind understand or know something immediately without needing to think about it, learn it or discover it by using reason. The mind identifies the truth without having to prove or examine ideas. By direct reasoning, it perceives that human is different from a dog, a circle is not a triangle, three are more than two. The mind identifies the agreement or disagreement of two ideas by their own immediately, exclusive of others’ interference. Intuitive knowledge is the clearest and of most certainty, with no double nor hesitation. It is irresistible and immediately perceived by the mind. The certainty of intuition is so great that one cannot conceive. As a result, a greater certainty is not needed. The existence of ourselves is also an intuitive knowledge. Our consciousness implies our existence. It is not capable or need any proof. This is because nothing can be more certain than our own existence.

Demonstrative knowledge is the next degree of knowledge that something is proved and explained. The mind identifies the agreement or disagreement of ideas, but unlike

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