I think I agree. Emergence involves the appearance of complex patterns from the combination of: (i) a simple initial pattern; (ii) a set of rules on processing the pattern iteratively through time; and (iii) the actual passage of time.Blue Peter wrote:I must admit that I find emergence a rather unsatisfactory concept - something new appears and the explanation is that it can't be explained by what was already there. It's more like the opposite of explanation.biffvernon wrote:It's called emergent behaviour. A feature of complex systems.Blue Peter wrote:I can't quite understand how a universe which started off witgh just bits of matter and energy ended up with self-interest, enlightened or not,
Peter.
(It's put rather better here in the wiki:
).Regarding strong emergence, Mark A. Bedau observes:
"Although strong emergence is logically possible, it is uncomfortably like magic. How does an irreducible but supervenient downward causal power arise, since by definition it cannot be due to the aggregation of the micro-level potentialities? Such causal powers would be quite unlike anything within our scientific ken. This not only indicates how they will discomfort reasonable forms of materialism. Their mysteriousness will only heighten the traditional worry that emergence entails illegitimately getting something from nothing."(Bedau 1997)
Peter.
But has anything complex really emerged? Surely the complexity was inherent in the initial conditions, insofar as the passage of time was one of the initial conditions? (Of course to talk of initial conditions is a bit misleading here: "ground conditions" might be a better phrase.) One is left with the mystery of how time unfolds at all.
There is also a fundamental difference between mathematical emergence and the actual emergence of life and consciousness in the universe. Given a set of initial conditions, a mathematically emergent pattern is in principle entirely predictable. However, as far as we can tell, physics is at bottom only statistically predictable; and tiny differences in initial conditions can lead to entirely different outcomes.
Furthermore, a pattern is a holistic concept. For example in the Mandelbrot Set, none of the pixels has any conception of a pattern it is part of: the pattern can only really be said to exist by reference to an onlooking consciousness that sees the whole thing.
All of this is still to disregard the fundamental problem of qualia: the subjective, irreducible sensations of perception. Define the colour blue however you like, but you will never produce the colour blue with your definitions: you will never be able to show a creature that can't perceive blue what blue actually is.