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D. Hume and R. H. Popkin, Dialogues concerning natural religion: the posthumous essays, Of the immortality of the soul, and Of suicide, from An enquiry concerning human understanding, Of miracles, 2nd ed. Indianapolis: Hackett Publishing Company, 1998 [Online]. Available: https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2118846350003931&context=L&vid=44PAI_V1&search_scope=default_scope&tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US
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E. Craig, Philosophy: a very short introduction, 2nd edn. Oxford: Oxford University Press, 2020 [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://dx.doi.org/10.1093/actrade/9780198861775.001.0001
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J. Driver and Ebooks Corporation Limited, Ethics: the fundamentals, vol. 1. Malden, Massachusetts: Blackwell Publishing, 2006 [Online]. Available: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=1204064
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C. Taliaferro, Aesthetics: A Beginner’s Guide (Beginner’s Guides). Oneworld Publications, 2011 [Online]. Available: https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2137006700003931&context=L&vid=44PAI_V1&search_scope=default_scope&tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US&lang=en_US
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R. Crisp and Ebooks Corporation Limited, Routledge philosophy guidebook to Mill on utilitarianism, vol. Routledge philosophy guidebooks. London: Routledge, 1997 [Online]. Available: https://ebookcentral.proquest.com/lib/gla/detail.action?docID=170060
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G. E. Moore, Principia ethica, 2nd ed. Cambridge: Cambridge University Press, 1993 [Online]. Available: https://uws-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=44PAI_ALMA2116377800003931&context=L&vid=44PAI_V1&search_scope=default_scope&tab=default_tab〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US〈=en_US
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J. S. Mill and R. Crisp, Utilitarianism, vol. Oxford philosophical texts. Oxford: Oxford University Press, 1998 [Online]. Available: https://ezproxy.lib.gla.ac.uk/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=12417&site=ehost-live