Abstract

Uto pia has had am ple dis cus sion and re - quires per ma nent re for mu la tion in each at tempt at def i ni tion or dis cus sion. The changes pro - duced on the his tor i cal and philo soph i cal plane to wards the end of the XXth cen tury im posed a re vi sion of this con cept, es pe cially..