By Andrea Borghini <\/p>\n
Updated September 04, 2016. <\/p>\n
Rationalism is the philosophical stance according to which reason is the ultimate source of human knowledge. It stands in contrast toempiricism, according to which the senses suffice in justifying knowledge. <\/p>\n
In one form or another, rationalism features in most philosophical traditions. In the Western tradition it boasts a long and distinguished list of followers, including Plato, Descartes, and Kant. Rationalism continues to be a major philosophical approach to decision-making today. <\/p>\n
How do we come to know objects --through the senses or through reason? According toDescartes,the latter option is the correct one. <\/p>\n
As an example of Descartes' approach to rationalism, consider polygons (i.e. closed, plane figures in geometry). How do we know that something is a triangle as opposed to a square? The senses may seem to play a key role in our understanding: we see that a figure has three sides or four sides. But now consider two polygons -- one with athousand sides and the other with a thousand and one sides. <\/p>\n
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Which is which? In order to distinguish between the two, it will be necessary to count the sides -- using reason to tell them apart. <\/p>\n
For Descartes, reason is involved in all of our knowledge. This is because our understanding of objects is nuanced by reason. For example, how do we know that the person in the mirror is, in fact, ourself? How do recognize the purpose or significance of objects such as pots, guns, or fences? How do we distinguish one similar object from another? Reason alone can explain such puzzles. <\/p>\n
Since the justification of knowledge occupies a central role in philosophical theorizing, it is typical to sort out philosophers on the basis of their stance with respect to the rationalist vs empiricist debate. Rationalism indeed characterizes a wide range of philosophical topics. <\/p>\n
Of course, in a practical sense, it is almost impossible to separate rationalism from empiricism. We cannot make rational decisions without the information provided to us through our senses -- nor can we make empirical decisions without considering their rational implications. <\/p>\n
Further Online Readings and Sources \"Rationalism vs. Empiricism\" at the Stanford Encyclopedia of Philosophy <\/p>\n
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Rationalism in Philosophy<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" By Andrea Borghini Updated September 04, 2016. Rationalism is the philosophical stance according to which reason is the ultimate source of human knowledge Continue reading