Columbia subject headings:
Harvard subject headings:
Analysis (Philosophy)
Frege, Gottlob, 1848-1925.
Language and languages--Philosophy
Logic
Mathematics--Philosophy
Philosophy, German--19th century.
Philosophy, German--20th century.
Princeton subject headings:
Analysis (Philosophy)
Frege, Gottlob, 1848-1925.
Language and languages--Philosophy.
Logic.
Mathematics--Philosophy.
Philosophy, German--19th century.
Philosophy, German--20th century.