mbd_map 19: A Dedication homepage homepage forum lectures 1: A Word of Encouragement 2: Dar al-Hikma 3: Proclus' Elements 4: Reversion in the Corporeal 5: Mathematical Recursion 6: Episodic Memory 7: Mortality 7 Supplement: Classical Mortality Arguments 8: Personal Identity 9: Existential Passage 10: Precedent at Dar al-Hikma 10 Supplement: Images of Dar al-Hikma 11: Passage Types 12: A Metaphysical Grammar 13: Merger Probability 14: Ex Nihilo Probability 15: Noetic Reduction 16: Summary of Mathematical Results 17: Application to Other Species 18: Potential Benefits 19: A Dedication appendices works cited
 

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A Word of Encouragement

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Dar al-Hikma

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Proclus' Elements

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Reversion in the Corporeal

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Mathematical Recursion

6

Episodic Memory

7

Mortality

7s

Classical Mortality Arguments

8

Personal Identity
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9

Existential Passage
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10

Precedent at Dar al-Hikma

10s

Images of Dar al-Hikma

11

Passage Types

12

A Metaphysical Grammar

13

Merger Probability

14

Ex Nihilo Probability

15

Noetic Reduction

16

Summary of Mathematical Results

17

Application to Other Species
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18

Potential Benefits

19

A Dedication

Appendices

Works Cited



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Chapter 7 Supplement
Classical Mortality Arguments


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


Chapter 7 Supplement — Endnotes

[1] Plato, "Phaedo" 226-27.  Available online.
[2] Plato, "Phaedo" 231-39.  Available online.
[3] Aristotle, "De Anima," 546-47.  Book I, Chapter 4: 407b 28 - 408a 18.  Available online.
[4] Aristotle, "De Anima," 556.  Book II, Chapter 1: 412b 12 - 412b 15.  Available online.
[5] Aristotle, "De Anima," 556.  Book II, Chapter 1: 412b 19 - 412b 23.  Available online.
[6] Aristotle, "De Anima," 556.  Book II, Chapter 1: 413a 2 - 413a 4.  Available online.
[7] Herbert A. Davidson, Alfarabi, Avicenna, and Averroes, on Intellect (New York: Oxford University Press, 1992) 71-72.
[8] Davidson 72.
 
Copyright © 1999

Wayne Stewart
Last update 4/19/11