Prediction and adaptation
The computable: not everything that can be defined can be computed
Mechanistic explanations of nature : what might we look for?
The learnable : how can one draw general lessons from particular experiences?
The evolvable : how can complex mechanisms evolve from simpler ones?
The deducible : how can one reason with imprecise concepts?
Machines as ecorithms : why is artificial intelligence difficult to achieve?
