Logik

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Ploucquet published the first ‘logical calculus’ in the history of logic and included it in his compendium of theoretical philosophy, which appeared in four editions between 1759 and 1782. Tübingen students, including Hegel and Hölderlin, were required to memorize its content for their Bachelor’s and Master’s examinations. Schelling independently mastered the calculus as a student and continued to study Ploucquet’s textbook in 1802. Ploucquet’s logic is marked by an extensional understanding of concepts and the quantification of the predicate in judgment, which he was the first to declare as obligatory, positioning him as a precursor to modern logic. The logic section from his final edition (Expositiones Philosophiae Theoreticae, 1782) is presented here in both Latin and German, accompanied by an introduction that explores the history of its reception.