Teaching is not reduced to a simple transmission of knowledge; we must refer it to the promotion of a formative learning. The problem of educational communication and the possibility of same has been frequently discussed The opening to the pragmatie dimension is essential in communicatlon. Agustin of Hipona in his dialogue the Schoolmaster offers an adequate argument in this respect, in terms of the possibility of teaching by means of the language, or in a more general sense by means of the sings whieh Plato's Menon brings to mind
