Columbia subject headings:
Analysis (Philosophy)
Frege, Gottlob, 1848-1925.
Wittgenstein, Ludwig, 1889-1951.
Harvard subject headings:
Analysis (Philosophy)
Frege, Gottlob, 1848-1925.
Wittgenstein, Ludwig, 1889-1951
Princeton subject headings:
Analysis (Philosophy)
Frege, Gottlob, 1848-1925.
Wittgenstein, Ludwig, 1889-1951.