Columbia subject headings:
Bachelard, Gaston, 1884-1962.
Knowledge, Theory of.
Mathematics--Philosophy.
Realism--Philosophy.
Thought and thinking.
Harvard subject headings:
Bachelard, Gaston, 1884-1962.
Knowledge, Theory of
Mathematics--Philosophy
Realism--Philosophy.
Science--Philosophy
Princeton subject headings:
Bachelard, Gaston, 1884-1962.
Knowledge, Theory of.
Mathematics--Philosophy.
Realism--Philosophy.
Science--Philosophy.