Article ID: CBB700580372

Leibniz, the Microscope and the Concept of Preformation (2017)

unapi

In recent years a certain emphasis has been put by some scholars on Leibniz’s concern about empirical sciences and the relations between such concern and the development of his mature metaphysical system. In this paper I focus on Leibniz’s interest for the microscope and the astonishing discoveries that such instrument made possible in the field of the life sciences during the last part of the Seventeenth century. The observation of physical bodies carried out by the “magnifying glasses” revealed a matter swarming everywhere with life and activity, contrary to the cartesian and atomistic view of matter as something sterile and passive. Moreover, the discovery of uncountable complete “animalcula” living in the smallest drop of water provided evidence for the idea of the preformation of every organism. During his lifetime, Leibniz was extremely watchful about the new microscopical discoveries and came into contact with some of the major “observers” of his time, such as Hooke, Leeuwenhoek, Swammerdam and Malpighi. Relying both on some passages in Leibniz’s texts and on recent critical studies, I will argue that important aspects of his metaphysics have been strongly affected by the empirical observation of the “invisible world” which the microscope made possible. In the last part of the paper I show how the concept of “preformation”, originally drawn from the context of the life sciences, comes to play in Leibnizʼs philosophy a very general role, going far beyond the scope of biology and shaping important aspects of his overall philosophical system.

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Authors & Contributors
Baedke, Jan
Detlefsen, Karen
Duchesneau, François
Dumas, Marie-Noëlle
Edlinger, Karl
Generali, Dario
Journals
Annals of the History and Philosophy of Biology
British Journal for the History of Philosophy
Journal of the History of Biology
Journal of the History of Philosophy
Pensée: Recherches Marxistes, Sciences, Société, Philosophie
Perspectives on Science
Publishers
Cambridge University Press
Oxford University Press
Princeton University Press
Vrin
California Institute of Integral Studies
Villanova University
Concepts
Biology
Organisms
Preformation
Evolution
Natural philosophy
Biogenesis; origin of life; spontaneous generation
People
Leibniz, Gottfried Wilhelm von
Blumenbach, Johann Friedrich
Kant, Immanuel
Malebranche, Nicolas de
Bonnet, Charles
Réaumur, René Antoine Ferchault de
Time Periods
18th century
17th century
19th century
20th century
21st century
Early modern
Places
France
Germany
Great Britain
Italy
Institutions
Université de Montpellier
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