For instance , it is evident that the country now called hellas had in ancient times no settled population ; on the contrary , migrations were of frequent occurrence , the several tribes readily abandoning their homes under the pressure of superior numbers .
Marcuse traced back to origin of reason and its innate characters from the fountainhead of western philosophy , he appreciated the dialectical reason of hellas established in the dialectical logic , and opposed the scientific reason with the pure perception function laid a foundation of formal logic .
