Rationalism vs. Empiricism – Essay Example . Contrary to empiricists, rationalists embrace deduction. This means being able to prove something by relying on certainty and not reason. For instance, Descartes relied on deductive reasoning as a way of proving God’s existence. Conversely, empiricism denotes a belief in the sense perception as the source of knowledge. For example, John Locke explained this belief by dividing sense perception into two parts that include simple and complex ideas. The simple ideas emerge from only on perception. This may include for example, perception of color or size. On the other hand, complex ideas are derived by combining the simple ideas (Alexander 58). Further, another belief that separates empiricism from rationalism involves the acquisition of ideas through experience. In essence, ideas according to empiricists, are not acquired through an innate process. Empiricism does not embrace innate ideas in the sense that, knowledge varies. For instance, a child’s mind is a tabula rasa, but learns from experience.
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