Critical Summary Of Plato's Republic

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Critical Summary: Republic Book IV
In Plato’s Republic Book IV, Socrates sets out to convince Glaucon that a person acts with three different parts of the soul, rather than with the soul as a whole. He does this by presenting Glaucon with a variety of situations in which parts of the soul may conflict with one another, and therefore not acting together. Socrates describes the three parts of the soul as the rational part, or that which makes decisions, the appetitive part, or that which desires, and the spirited part, or that which gets angry (436a).
Socrates sets up this argument by presenting Glaucon with the idea that things cannot move and stay still at the same time, but only different parts of one thing can move and stay still (436c). The two men then come to an agreement that if something were to move and stay still simultaneously, it must be because they are made of several parts. He uses the example of a man waving his arms while standing in place, and that of a spinning top being able to rotate on itself while staying in one place, but concluding that both of those cases involve the one thing having several different parts. He then applies this to the soul and states that the soul …show more content…

It is unlike the appetitive soul because the spirited soul would endure unpleasant conditions in order to win whatever is at stake (440d), aligning itself more with the rational soul (440e). However, the spirited soul is unlike the rational soul, in the sense that small children and animals are born with great spirit, but do not develop rationality until later in life, if at all, and therefore the two cannot be synonymous (441b). The significance of mentioning the children and animals in this argument is that they can be seen as somewhat pure, uncorrupt souls, and therefore can be used as a marker for how the soul is really

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