11. A probabilistic learning element as described in claim 1, wherein the long term memory means comprises a context organized memory including a plurality of tree structures for storing previously learned states and the objects contained therein and predetermined types of knowledge relating to the stored objects and states.
11. A probabilistic learning element as described in claim 1, wherein the long term memory means comprises a context organized memory including a plurality of tree structures for storing previously learned states and the objects contained therein and predetermined types of knowledge relating to the stored objects and states. 14. A probabilistic learning element as described in claim 11, wherein a separate tree structure is provided for storing in context learned states, objects contained in learned states, state lengths and state-length pairs.