The capability of multilevel input ring-TCM coding scheme for generating high-rate codes with improved symbol Hamming and squared Euclidean distances is demonstrated. The existence of uniform codes and the decoder complexity are also considered.

One of the weak points of the present critics of AI is their lack of an alternative cognitive theory. In the paper the outline of such a theory is sketched, based on (one reading) of Piaget's genetic epistemology. This is used to clarify the ambiguity of the terms 'symbol' and 'representation', thereby making it possible to suggest a reconciliation of the positions of the critics and defenders ...

plato in theory of philosopher-king believes that all of the members of ideal city-state, whether ruler or citizens, will attain happiness if the philosopher is the ruler. but there are paradoxes in the theory and the bases of the happiness are unstable too. in other words, plato in his theory presents hierarchical dualities (intelligible/visible world, episteme/ doxa,true/ untrue or shadow, …)...