The

Philosophical Writings

of

Gottfried Wilhelm Leibniz. Leibniz (1646–1716) was a German polymath and a central figure of the Enlightenment, famous for developing calculus and his optimistic philosophy.

C. I. Gerhardt. Carl Immanuel Gerhardt was a prominent 19th-century scholar whose editions of Leibniz's mathematical and philosophical papers remain foundational for researchers today.

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original: "Weidmannsche Buchhandlung," one of the oldest and most prestigious academic publishers in Germany.