Columbia subject headings:
Logic, Symbolic and mathematical--Congresses.
Science--Methodology--Congresses.
Science--Philosophy--Congresses.
Harvard subject headings:
Logic, Symbolic and mathematical--Congresses.
Science--Methodology--Congresses
Science--Philosophy--Congresses
Princeton subject headings:
Logic, Symbolic and mathematical--Congresses.
Science--Methodology--Congresses.
Science--Philosophy--Congresses.