Columbia subject headings:
Abstraction--Congresses.
Analysis (Philosophy)--Congresses.
Logic--Congresses.
Reductionism--Congresses.
Harvard subject headings:
Abstraction--Congresses.
Analysis (Philosophy)--Congresses.
Logic--Congresses
Reductionism--Congresses.
Princeton subject headings:
Abstraction--Congresses.
Analysis (Philosophy)--Congresses.
Logic--Congresses.
Reductionism--Congresses.