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### Single Idea 12827

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

Full Idea

The 'difference' of two individuals is the largest individual contained in x which has no part in common with y, expressed by 'x - y', read as 'the difference of x and y'.

Gist of Idea

Difference: the difference of individuals is the remainder of an overlap, written 'x - y'

Source

Peter Simons (Parts [1987], 1.1.07)

Book Reference

Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.14