Two extreme interpretations of atomism have persisted through centuries: the näive assumption of objectively real indivisible pieces of matter, and t… - Lancelot Law Whyte

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Two extreme interpretations of atomism have persisted through centuries: the näive assumption of objectively real indivisible pieces of matter, and the sophisticated view that "atom" is merely a name given to abstractions which it is convenient to assume in simplifying complex phenomena. The second perhaps stems from Ockham, who wrote in 1330 of "the fiction of abstract nouns"; from John Troland, who in 1704 interpreted material particles as mental fictions; and from countless others down to Ernst Mach, who after starting as a physical atomist came to regard atoms as "mental artifices" or "economical ways of symbolizing experience."
Both views have advantages...