Columbia subject headings:
Harvard subject headings:
Education--Philosophy--Congresses
Plausibility (Logic)--Congresses.
Reasoning--Congresses
Rhetoric--Philosophy--Congresses.
Truth--Congresses
Princeton subject headings:
Education--Philosophy--Congresses.
Plausibility (Logic)--Congresses.
Reasoning--Congresses.
Rhetoric--Philosophy--Congresses.
Truth--Congresses.