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dc.contributor.advisorCotnoir, A. J.
dc.contributor.advisorRussell, Gillian
dc.contributor.authorSchirripa, Giulia
dc.description.abstractHow does Classical Extensional Mereology (CEM) interact with time and modality? In its first-order logical setting, CEM does not have the formal tools to deal with these dimensions. Nonetheless, it is often charged with endorsing controversial metaphysical theses like mereological essentialism and mereological constantism. Allowing CEM to interact with quantified modal logic (QML) without adding any further mereological commitment clarifies which modal theorems CEM actually implies and eventually undercuts wrong-headed allegations against it. From the logical side, I endorse system KTB of modal logic with constant domain semantics, but several theorems are also provable with the adoption of weaker logics (like KT and even the simplest K). We will also be able to successfully simulate variable domain semantics via the procedure of existential relativisation. From the mereological side, I necessitate the ordering axioms and the strong-supplementation axiom, leaving the door open for four different alternatives to deal with the axiom of unrestricted composition. The mereological results emerging from this setting include the necessity of extensionality principles – which does not lead to mereological essentialism – and the existence of possible fusions even when an actualist version of unrestricted composition is adopted. In the final part of the thesis, I apply the main findings of modal extensional mereology to group membership. After showing why some standard objections are misguided, I argue that the standard account of social groups based on CEM fails to be satisfactory because it conceives group membership as just parthood. My proposal is to regard group membership as φ-parthood instead. Under this new account, social groups are not just mereological wholes, but mereological wholes with a specified understanding of the parthood relation. Endorsing this novel account allows us to retain an account of social groups based on CEM while avoiding the knockdown objections faced by the standard one.en_US
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International*
dc.subjectClassical extensional mereologyen_US
dc.subjectModal mereologyen_US
dc.subjectSocial groupsen_US
dc.subjectSocial ontologyen_US
dc.subject.lcshWhole and parts (Philosophy)en
dc.subject.lcshSocial groups--Philosophyen
dc.titleModal extensional mereology with an application to social groupsen_US
dc.type.qualificationnameMPhil Master of Philosophyen_US
dc.publisher.institutionThe University of St Andrewsen_US
dc.publisher.departmentUniversity of Stirlingen_US

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