Human materialize his existance in 3 main environment. These are physical, social and mental environments. At the same tme human could be a subject that determine these environments. İntellectual traditons which have been formed by human must contain determined environment’s character. Mental environment of which the lefwing ideology has appeared is Europe. Historical, socio-politcal and economical situaton that the lef-wing has come up, grow out of Europe’s mental and social conﬂict and disagreement. On account of an ideological and philosophical opinion must be understandable from the people of that environment.