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Full Idea
The principle of Supplementation says that y is properly part of x, only if a z exists that 'makes up the difference' between them. [note: that is, z is disjoint from y and sums with y to form x]
Gist of Idea
y is only a proper part of x if there is a z which 'makes up the difference' between them
Source
Stephen Yablo (Aboutness [2014], 03.2)
Book Ref
Yablo,Stephen: 'Aboutness' [Princeton 2014], p.47
| 17245 | A part of a part is a part of a whole [Hobbes] |
| 18999 | y is only a proper part of x if there is a z which 'makes up the difference' between them [Yablo] |
| 10564 | We might combine the axioms of set theory with the axioms of mereology [Fine,K] |
| 14984 | Which should be primitive in mereology - part, or overlap? [Sider] |
| 12813 | Two standard formalisations of part-whole theory are the Calculus of Individuals, and Mereology [Simons] |
| 12816 | Classical mereology doesn't handle temporal or modal notions very well [Simons] |
| 12821 | The part-relation is transitive and asymmetric (and thus irreflexive) [Simons] |
| 18847 | Each wheel is part of a car, but the four wheels are not a further part [Simons] |
| 10677 | Extensional mereology needs two definitions and two axioms [Hossack] |