Plato’s Three Parts of the Soul and the Possibility of Akrasia
According to Plato in the Republic Book IV, a soul consists of three parts: i) appetitive part where the natural desires such as for food and drink are, ii) spirited part where the emotion such as anger, motivation, and revenge resides, and iii) rational part which is responsible for reasoning and calculation.
The fact that different parts of the soul are independent of each other could be explained through an example of one’s need to consume the sole source of drink in the arid desert where the drink happens to be poisonous. The appetitive part of the soul would strongly desire to quench its thirst, as it is also pleasurable to the soul. However, the rational part would reason the situation and stop the soul’s desire from being fulfilled by not consuming the poisonous drink. Here, the rational part avoids the pain to the soul. The decision made by the rational part contradicts to that of the appetitive part. This example shows that akrasia is possible and how those parts of the soul are independent of each other, supporting Plato’s