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Single Idea 12831

[catalogued under 4. Formal Logic / G. Formal Mereology / 2. Terminology of Mereology]

Full Idea

An 'atom' in mereology is an individual with no proper parts. We shall use the expression 'At x' to mean 'x is an atom'.

Gist of Idea

Atom: an individual with no proper parts, written 'At x'


Peter Simons (Parts [1987], 1.1.11)

Book Reference

Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.16

A Reaction

Note that 'part' in standard mereology includes improper parts, so every object has at least one part, namely itself.