Page 16 - GALIET PLATO´S PHAEDO: Reason and Idea Plato IV

admit the opposite along.23 Since the opposite of life is death, the living soul will never admit death, its opposite.24 Just as the unjust does not admit the Just, the deathless does not admit Death. If the soul does not admit death, then the soul is deathless;25 and what is deathless,Platoposits,isindestructible.26 Fromthis,heconcludesthat it is the body what perishes, and what survives is the soul journeying to Hades, the ancient underworld.
23 Phaedo. 105a. Though it had been postulated earlier that opposites came to be from opposites, Socrates in 103b-c argues that the opposite itself can never become opposite to itself, that is, an opposite will not admit an opposite. Based on this, he claims in 103d-105c that a form will not admit an opposite form, i.e. the odd can only participate in oddness. Form of even can never come to three or three will never share in the even.
24 Just as the uneven does not accept form of Even, the unmusical does not admit the Musical, the unjust does not admit the Just, the deathless does not admit death.
25 Plato. Phaedo. 105e
26 Plato. Phaedo. 106a-e. This is based on a series of logical sequences such as: If the odd is indestructible, then three is indestructible.
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