Another problem is that very often a response depends on the context. For
example, when the room is dark and we want to read a book, we usually switch
on the light. But there are other less common alternatives:
1. light the candle
2. use the torch
3. switch on the TV
4. set a fire
5. use a mirror to reflect moonlight
6. read Braille
etc etc
All these requires searching the state-space using all available declarative
knowledge, which is the essense of general intelligence.
To me, the above example shows that "the essence of general
intelligence" is the ability to reach the usual conclusion WITHOUT
going through a state-space search --- in practical situations, we
almost never be able to list all possibilities, then select the best
one after considering each of them. In the above situation, some of
the other possibilities will be taken into consideration only when the
light-switch solution doesn't work.
Pei
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