What is life?, a question related to the question: What is the psyche? Aristotle answers the former question by answering the latter. For him, the psyche is the eidetic 'look' or εἶδος of a physical body capable of living, its very essence or whatness, which he expresses in the formula that a living physical body has its starting-point of movement and stasis within itself. This having of such a starting-point is its entelechie (ἐντελέχεια) or perfected presence as a living physical body. Aristotle's gaze is thus directed toward such physical bodies that can move themselves, animate, empsyched things (ἔμψυχα) in distinction from physical bodies that are not so endowed, i.e. inanimate ἄψυχα.
Only physical kinds of movement are therefore pertinent, which for Aristotle comprise four kinds or ἔιδη: change (μεταβολή) of i) what, ii) how, iii) how much and iv) where, i.e. i) progeneration, ii) quality (sense perception e.g. hearing-not hearing; sleeping and waking, activity and inactivity), iii) quantity (growth and decay), and iv) locomotion/mobility. For Aristotle, only physical bodies capable of such self-movement can partake of life.
Restricting consideration now (temporalogically) to human living, what about other kinds of self-movement, i.e. those of the non-physical variety? In the preceding post I have already spoken of the movement of the mind as the psyche's capacity to move freely throughout three-dimensional time, a degree of freedom that material, extended, physical things do not enjoy, since the mind is thoroughly pre-physical, unencumbered by matter.
Or, to take another kind of movement: what about the movement of interplay between and among mortal humans when they sociate with each other? Is that not their social living? Interplay is a kind of movement that eludes efficient-causal explanation within the bounds of a tacit ontology of productive movement. This, of course, does not prevent sociology and social psychology from fabricating countless explanatory models based on endless empirical research to account quasi-causally for social behaviour.
There is yet another kind of self-movement to consider, since the self-movement of life is only the converse and complement of the self-movement toward death. What does mortality mean for us humans? Do we die only when, through decay, the physical body loses its self-movement? Which kinds of self-movement? The loss of mobility, for example, does not equate with death, nor even the loss of sense perception. How about loss of movement of the cardio-respiratory organs? If machines can maintain the functioning of the cardio-respiratory organs artificially, does this still count as living? After all, it is doubtful whether lungs and heart that cannot move themselves, and are thus no long empsyched, are still living.
Does death coincide with the loss of movement of the brain, i.e. the organ employed by the mind for mental movement? It is at least plausible that the mind loses its freedom of self-movement in three-dimensional time when its physical organ is defunct. Furthermore: is there the possibility of mental life after the physical body dies, i.e. is no longer capable of self-movement? Such a possibility seems to lie beyond the realm of human experience. Whose mental life could it be after death? Conversely, is there the possibility of mental death (e.g. coma), while the physical body lives on? Can mental movement, i.e. thinking, degenerate qualitatively without impairment of brain function, e.g. through exposure to mass media and the cyberworld?
Mental movement through three-dimensional time, i.e. imagining, would seem to be the freest of all human self-movements and probably also the most potentially deleterious. Why? Because imaginings can become untethered from any phenomenal touchstone. Opinion, belief, conviction rely upon an imagination that is more or less careless and undisciplined in interpreting what comes to mind. Does the freedom of the mind degenerate into arbitrariness, caprice, prejudice and dogma when thinking does not bother to carefully interpret the phenomena, to at least establish the correct facts as best we can? (Even though the truth of the phenomena thereby remain concealed.)
Presumably it was the freedom of movement of the imagination that occasioned Kant to subject it strictly to the rules of understanding when revising the first, A edition of the Critique of Pure Reason of 1781 to produce the second, B edition of 1787. In this way, the superiority of the logical mind was reasserted and upheld. Kant's logical rules of understanding, however, are fashioned after the Newtonian laws of movement of physical objects, and these are laws of continuous movement in one-dimensional, linear time conceived as a succession (Nacheinander) of now-instants. The so-called superiority of human rationality is thus maintained at the cost of a massive petitio principii, or begging of the question, since the power of imagination (Einbildungskraft) is the prototype of three-dimensional time as inadvertently conceived by Kant within the strictures of his subjectivist metaphysics. Kant's subsequent suppression of the imagination's role amounts to a suppression of the truth of the phenomenon of three-dimensional time.
A similar petitio principii is performed when it is conceived that the mind moves, or at least rationally moves, according to syllogistic rules of logical inference. This dogma opens the way to conceiving mental movement as constrained by a series of if-then rules, i.e. as a kind of computation, that then can be adequately imitated by a Universal Turing Machine. Since any computer whatsoever, including those running A.I. algorithms, can be conceived, in principle, as a concatenation of Turing machines, nothing then prevents our believing that the algorithmically steered cyberworld, although patently artificial, nevertheless faithfully models our human mind so that, conversely, we (mis)conceive our mind itself as some organic, 'wet' kind of computer (to wit, the brain), thereby suitably degrading our self-conception.
If free mental movement is at the core of our mortal animation, and if this mental movement is (mis)conceived (hermeneutically) as computation that can be replicated by A.I. algorithms running on ever more powerful, energy-hungry, inanimate computers, have we thereby already cast ourselves as the living dead? What's the remedy? Think again! From scratch.
Further reading: The human psyche (temporalogically) (previous post).
Aristotle De Anima (On the Soul).
Social Ontology of Whoness: Rethinking Core Phenomena of Political Philosophy De Gruyter, Berlin 2018, Chapter 5 'Ontology of Exchange'.
On Human Temporality: Recasting Whoness Da Capo De Gruyter, Berlin 2024.
Immanuel Kant Kritik der reinen Vernunft 1781/1787.
'Turing's cyberworld of timelessly copulating bit-strings' 2012.
'Turing's Cyberworld' in Information Cultures in the Digital Age: A Festschrift in Honour of Rafael Capurro Matthew Kelly & Jared Bielby (eds.) Springer VS, Wiesbaden 2016 pp. 65-81.
'Algorithmic Control of Movement in Time: Abolishing even our selves ourselves' in Kinder und Jugendliche in der Krise: Gegenwärtige Herausforderungen und neue Perspektiven Rainer J. Kaus, Hartmut Günther (eds.), transcript Verlag, Bielefeld 2025 pp. 219-233.
Movement and Time in the Cyberworld: Questioning the Digital Cast of Being De Gruyter, Berlin 2019.
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