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Full Idea
Mereological essentialism says that an object's parts are necessary for its existence. ....It is literally never correct to say that an thing survives a change in its parts.
Gist of Idea
Mereological essentialism says an object's parts are necessary for its existence
Source
Theodore Sider (Four Dimensionalism [2001], 5.7)
Book Ref
Sider,Theodore: 'Four Dimensionalism' [OUP 2003], p.181
A Reaction
Chisholm is well known for proposing this view. Sider adds a possible toughening clause, that the parts are also sufficient for the object's existence. This is a philosophers' notion of identity, not the normal English language concept.
16792 | If parts change, the whole changes [William of Ockham] |
12884 | The same whole ceases to exist if a part is lost [Leibniz] |
12781 | A composite substance is a mere aggregate if its essence is just its parts [Leibniz] |
12139 | Mereological essentialism says that every part that ensures the existence is essential [Brody] |
8443 | Mereological essentialism says an entity must have exactly those parts [Sosa] |
14757 | Mereological essentialism says an object's parts are necessary for its existence [Sider] |
12874 | An essential part of an essential part is an essential part of the whole [Simons] |