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Chapter 7 Supplement Classical Mortality Arguments
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This supplement to Chapter 7 presents quotations from
three venerable arguments for complete mortality. These arguments are
found in the works of Plato, Aristotle and al-Farabi.
In Phaedo
Plato has Simmias put the question to Socrates, whether soul and body might be
likened to harmony and the lyre. Should that analogy hold true, complete
mortality would be the soul's fate:
[M]ight not a person use the same argument
about harmony and the lyre — might he not say that harmony is a thing
invisible, incorporeal, fair, divine, abiding in the lyre which is
harmonized, but that the lyre and the strings are matter and material,
composite, earthy, and akin to mortality... For I suspect, Socrates,
that the notion of the soul which we are all of us inclined to entertain,
would also be yours, and that you too would conceive the body to be strung
up, and held together, by the elements of hot and cold, wet and dry, and the
like, and that the soul is the harmony or due proportionate admixture of
them. And, if this is true, the inference clearly is, that when the
strings of the body are unduly loosened or overstrained through disorder or
other injury, then the soul, though most divine, like other harmonies of
music or of works of art, of course perishes at once....[1]
This argument against immortality troubles
Socrates and his friends more than any other. In the end, Socrates rejoins
the argument by appealing to past-life recollection as a demonstration of the
soul's existence prior to the body. He goes on to cite the soul's propensity
for internal conflict as a further counter-example to the harmony metaphor
employed by Simmias. [2]
Aristotle also considered the harmony
metaphor to be insufficient as an explanatory theory of the soul's function. [3] He proposed a more
sophisticated materialistic argument, which had the effect of binding the soul
even more tightly to the living body:
Suppose that what is literally an
'organ', like an axe, were a natural body, its
'essential whatness', would have been its essence, and so its soul; if this
disappeared from it, it would have ceased to be an axe, except in name.... [4]
Next, apply
this doctrine in the case of the 'parts' of the living body. Suppose
that the eye were an animal — sight would have been its soul, for sight
is the substance or essence of the eye which corresponds to the formula, the
eye being merely the matter of seeing; when seeing is removed the eye is no
longer an eye, except in name — it is no more a real eye than the eye
of a statue or of a painted figure.... [5]
[A]s the
pupil plus the power of sight constitutes the eye, so the soul plus the
body constitutes the animal.
From this it indubitably follows that
the soul is inseparable from its body, or at any rate that certain parts of
it are (if it has parts).... [6]
The Persian philosopher al-Farabi pondered
these arguments some 1,300 years after they were first written down.
Al-Farabi's distance from classical Greece granted him perspective: he
could weigh the classical works against a stack of more "modern"
Hellenistic and medieval texts — texts which by-and-large favored
incorporeality and immortality. The Andalusian philosopher Averroes
records al-Farabi's judgment:
"In the book on the Nicomachean [Ethics] Alfarabi appears to have denied that
conjunction with the incorporeal intelligences can take place. He
stated that such was also the opinion of Alexander. And [he held] that
the end for man should not be regarded as anything other than theoretical
perfection...."[7]
Herbert Davidson notes that al-Farabi's line
of reasoning may have paralleled Aristotle's own:
...Averroes reports Alfarabi's grounds [for
his skeptical conclusion] to have been that "the generated-destructible
cannot become eternal." An Aristotelian rule laid down that
anything generated must undergo destruction and cannot continue to exist
forever, and Alfarabi — as Averroes transmits or reconstructs his
reasoning — concluded that inasmuch as the human intellect comes into
existence, it inevitably undergoes destruction.[8]
next Chapter 8: Personal Identity
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Chapter 7 Supplement — Endnotes
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[7] Herbert A. Davidson,
Alfarabi, Avicenna, and
Averroes, on Intellect (New York: Oxford University Press, 1992) 71-72.
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