This research highlights on an important and fundamental issue of the 20th century's most
important philosophers, "Gaston Bachelard", which is the analytical approach to scientific
knowledge of this philosopher and the role played by "Gaston Bachel
ard" in this approach
in formulating a set of scientific concepts that enriched epistemology as the concept of the
epistemological obstacle ,The concept of estrangement and the concept of undo time, with
concentration on importance of the dialectical relationship between these concepts and
their role in the development of scientific knowledge.
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.
