Some well known ontological puzzles are taken to show that the ontology of the familiar world is not correctly described by mereology. The usual formulations of Tibbles puzzle are here analyzed in a general and abstract way and a non usual solution of the puzzle is provided. It consists of denying the existence at a time of an entity that exists at another time, i.e. of denying certain persistence statements. A general solution of this kind is presented and motivated. According to this solution there is no need to give up the existence of composition, i.e. the principle that for any entities there is an entity composed by them, nor there is any need to give up uniqueness of composition, according to which the same entities compose only one entity. Persistence is seen as depending on unity in such a way that change of the kind of unity implies change of entity. Some indirect and direct reasons are provided for this view. Some difficulties too are acknowledged, and the question is raised whether the outlined perspective could provide a way of reconciling the ontology of familiar objects with the simplified ontology of physics that can be described by means of mereology.

Composition and Persistence Revisited. Towards a New Kind of Naturalism?

GIARETTA, PIERDANIELE
2010

Abstract

Some well known ontological puzzles are taken to show that the ontology of the familiar world is not correctly described by mereology. The usual formulations of Tibbles puzzle are here analyzed in a general and abstract way and a non usual solution of the puzzle is provided. It consists of denying the existence at a time of an entity that exists at another time, i.e. of denying certain persistence statements. A general solution of this kind is presented and motivated. According to this solution there is no need to give up the existence of composition, i.e. the principle that for any entities there is an entity composed by them, nor there is any need to give up uniqueness of composition, according to which the same entities compose only one entity. Persistence is seen as depending on unity in such a way that change of the kind of unity implies change of entity. Some indirect and direct reasons are provided for this view. Some difficulties too are acknowledged, and the question is raised whether the outlined perspective could provide a way of reconciling the ontology of familiar objects with the simplified ontology of physics that can be described by means of mereology.
2010
The Architecture of Knowledge. Epistemology, Agency, and Science
9788843056743
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2421629
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