The importance of this research is that it is one of the rare researches that touch on
the philosophy of science at the French philosopher Gaston Bachler, And the role played
by this philosopher in the development of the science of epistemology thr
ough the
epistemological concepts that he introduced to this science, Such as the concept of
epistemological obstacle and the concept of epistemological estrangement in addition to
the concept of temporal regression and the relationship of these concepts with each other,
which contributed to the enrichment of the epistemology and its evolution.
