Intelligence defined as prediction
From a thread on "The value of ideas in language" on the grammatical-incompleteness Google group (http://groups.google.com/group/grammatical-incompleteness/browse_thread…):
You may want to look at the AI work of Schmidhuber and co. which
defines intelligence in terms of prediction. This enables them to
avoid the pitfalls of logic, at least. They are hoping to build a new,
random, AI on this basis: