The Republic: Plato's Division Of The Soul

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Plato’s Division of The Soul In Book Four of the Republic Socrates and Glaucon are looking for the definition of justice. Socrates says, that in order for them to understand what justice is they have to first find what justice is in the city. Once they know what the definition of justice is at large they can then define what justice is in the individual. In the search of justice Socrates comes up with the idea of the division of the soul. In order to justify his conclusion: that the soul is divided into three different parts Socrates relies on the principle of opposites through this principle he is able to define what justice is in the individual. To prove this I will first define what the principle of opposites is. Then I will explain how the principle of opposites leads to the understanding of what the rational, irrational and spirited part of the soul are. Finally I will conclude with explaining how the division of the soul leads to the understanding of the concept of justice. The Principle of Opposites states that: “the same thing will not be willing to do or undergo opposites in the same part of itself, in relation to the same thing, at the same time” (436b). In other words, the part of the soul that…show more content…
This is the part that weighs in the good and the bad parts of a decision. This part of the soul is one of the most important ones because it controls the desires one might have. For example in the eating of the doughnut example mentioned above the person who is on the diet will decide to not eat the doughnut because they are aware that they are in a diet and if they eat the doughnut this will lead them to breaking their diet which will set them to gaining weight and a feeling of unhappiness for knowing that they did not carryout with their commitment to themselves. The rational part of the soul allows them to weigh in the negatives of the

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