Corpuscularianism

Matter corpuscles

Corpuscularianism is similar to the theory of atomism, except that where atoms were supposed to be indivisible, corpuscles could in principle be divided. In this manner, for example, it was theorized that mercury could penetrate into metals and modify their inner structure, a step on the way towards the production of gold by transmutation.

Corpuscularianism was associated by its leading proponents with the idea that some of the apparent properties of objects are artifacts of the perceiving mind, that is, "secondary" qualities as distinguished from "primary" qualities. Corpuscles were thought to be unobservable and having a very limited number of basic properties, such as size, shape, and motion.

William R. Newman traces the origins from the fourth book of Aristotle, Meteorology. The "dry" and "moist" exhalations of Aristotle became the alchemical 'sulfur' and 'mercury' of the eighth-century Islamic alchemist, Jābir ibn Hayyān (died c. 806–816). Pseudo-Geber's Summa perfectionis contains an alchemical theory in which unified sulfur and mercury corpuscles, differing in purity, size, and relative proportions, form the basis of a much more complicated process.

Corpuscularianism remained a dominant theory for centuries and was blended with alchemy by early scientists such as Robert Boyle and Isaac Newton in the 17th century. In his work The Sceptical Chymist (1661), Boyle abandoned the Aristotelian ideas of the classical elements—earth, water, air, and fire—in favor of corpuscularianism. In his later work, The Origin of Forms and Qualities (1666), Boyle used corpuscularianism to explain all of the major Aristotelian concepts, marking a departure from traditional Aristotelianism. Boyle used it to develop his mechanical corpuscular philosophy, which laid the foundations for the chemical revolution.

Light corpuscules

Main article: Corpuscular theory of light

Gravitational corpuscles

In antiquity, the idea of gravitational corpuscles was invoked to explain the influence of the Moon over the tides.

When Newton introduced his law of universal gravitation, he considered that it was problematic as it behave as action at a distance. Alternative theories to Newtonian gravity also expanded the use of corpuscles, Le Sage's theory of gravitation of 1748, considered that corpuscles exerted pressure over objects. Also aether theories were suggested to explain gravitation until the development of general relativity in 1915.

Magnetic effluences

Ancient philosopher Empedocles introduced the idea of effluences to explain magnetic forces as seen in lodestones. René Descartes further developed this theory.

Sociology

The philosopher Thomas Hobbes used corpuscularianism to justify his political theories in Leviathan.

References

Bibliography

References

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