Columbia subject headings:
Harvard subject headings:
Boole, George, 1815-1864.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
Metaphysics
Rosmini, Antonio, 1797-1855.
Princeton subject headings:
Boole, George, 1815-1864.
Categories (Philosophy)--History.
Interdisciplinary approach to knowledge--History.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Logic, Symbolic and mathematical--History.
Metaphysics--History.
Ontology--History.
Rosmini, Antonio, 1797-1855.