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### Single Idea 12824

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

Full Idea

Two individuals are 'disjoint' mereologically if and only if they do not overlap, expressed by 'x | y', read as 'x is disjoint from y'. Disjointedness is symmetric.

Clarification

[The vertical stroke actually curves to the right at the lower end]

Gist of Idea

Disjoint: two individuals are disjoint iff they do not overlap, written 'x | y'

Source

Peter Simons (Parts [1987], 1.1.04)

Book Reference

Simons,Peter: 'Parts: a Study in Ontology' [OUP 1987], p.13