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t. e. Personal identity is the unique numerical identity of a person over time. [1] [2] Discussions regarding personal identity typically aim to determine the necessary and sufficient conditions under which a person at one time and a person at another time can be said to be the same person, persisting through time.
Self-defeating moral theories. Derek Antony Parfit FBA ( / ˈpɑːrfɪt /; 11 December 1942 – 2 [3] [4] January 2017) was a British philosopher who specialised in personal identity, rationality, and ethics. He is widely considered one of the most important and influential moral philosophers of the late 20th and early 21st centuries.
The theory of narrative identity postulates that individuals form an identity by integrating their life experiences into an internalized, evolving story of the self that provides the individual with a sense of unity and purpose in life. [1] This life narrative integrates one's reconstructed past, perceived present, and imagined future.
Teletransportation paradox. The teletransportation paradox or teletransport paradox (also known in alternative forms as the duplicates paradox) is a thought experiment on the philosophy of identity that challenges common intuitions on the nature of self and consciousness, formulated by Derek Parfit in his 1984 book Reasons and Persons. [1]
The philosophy of self examines the idea of the self at a conceptual level. Many different ideas on what constitutes self have been proposed, including the self being an activity, the self being independent of the senses, the bundle theory of the self, the self as a narrative center of gravity, and the self as a linguistic or social construct rather than a physical entity.
Reasons and Persons. Reasons and Persons is a 1984 book by the philosopher Derek Parfit, in which the author discusses ethics, rationality and personal identity . It is divided into four parts, dedicated to self-defeating theories, rationality and time, personal identity and responsibility toward future generations .
Psychology. Collective memory refers to the shared pool of memories, knowledge and information of a social group that is significantly associated with the group's identity. [1] [2] [3] The English phrase "collective memory" and the equivalent French phrase "la mémoire collective" appeared in the second half of the nineteenth century.
Hume also offers a sceptical theory of personal identity and a compatibilist account of free will. Isaiah Berlin wrote of Hume that "no man has influenced the history of philosophy to a deeper or more disturbing degree". Jerry Fodor wrote of Hume's Treatise that it is "the foundational document of cognitive science".