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In page Reason:

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The proposal that reason gives humanity a special position in nature has been argued[citation needed] to be a defining characteristic of western philosophy and later western science, starting with classical Greece. Philosophy can be described as a way of life based upon reason, while reason has been among the major subjects of philosophical discussion since ancient times. Reason is often said to be reflexive, or "self-correcting", and the critique of reason has been a persistent theme in philosophy.[1]