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The problem was described and explored by Derek Parfit in his 1987 book Reasons and Persons. [2] It is a challenge to person-affecting views, which are based on the intuition that "what is bad must be bad for someone". [3] An example proposed by Parfit involves thinking of two policies: "conservation" and "depletion".
Derek Antony Parfit FBA (/ ˈ p ɑːr f ɪ t /; 11 December 1942 – 2 January 2017 [3] [4]) 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.
Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
On Mars, another machine re-creates the person (from local stores of carbon, hydrogen, and so on), each atom in exactly the same relative position. Parfit poses the question of whether or not the teletransporter is actually a method of travel, or if it simply kills and makes an exact replica of the user. [3] Then the teleporter is upgraded.
Derek Parfit. This debate about further facts concerning personal identity over time is most closely associated with Derek Parfit. In his Reasons and Persons, he describes the non-reductionist's view that "personal identity is a deep further fact, distinct from physical and psychological continuity". [1]
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.
Parfit considers four populations, as depicted in the following diagram: A, A+, B− and B. Each bar represents a distinct group of people. The bars' width represents group size while the bar's height represents group happiness. Unlike A and B, A+ and B− are complex populations, each comprising two distinct groups of people.
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.