Columbia subject headings:
Calculus--History.
Mathematical analysis--History.
Rationalism.
Harvard subject headings:
Mathematical notation--History--17th century.
Mathematics--Philosophy
Princeton subject headings:
Calculus--History--17th century.
Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716.
Mathematical notation--History.
Philosophy, Modern--17th century.
Rationalism--History--17th century.
Signs and symbols.