The main argument of the Phaedo for the Theory of Recollection and the Immortality of the Soul

The main argument Plato expressed in Phaedo (through Socrates) regarding the Theory of Recollection and his philosophy on the Immortality of the Soul can be explained as follows:
"That our ability to judge objects of experience whether they are more or less perfect *presupposes* that we already have a concept of perfect objects in our minds, Therefore, we cannot gain these concepts of perfect objects from any experience, but had to have them before all experiences. Since our experiences began with our birth, we had to have them before birth. A priori knowledge, which is based on our having…