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Peter Albert David Singer AC FAHA (born 6 July 1946) is an Australian moral philosopher who is Emeritus Ira W. DeCamp Professor of Bioethics at Princeton University. Singer's work specialises in applied ethics , approaching the subject from a secular , utilitarian perspective.
Animal Liberation: A New Ethics for Our Treatment of Animals is a 1975 book by the Australian philosopher Peter Singer. It is widely considered within the animal liberation movement to be the founding philosophical statement of its ideas. Singer himself rejected the use of the theoretical framework of rights when it comes to human and nonhuman ...
The term "equal consideration of interests" first appeared in Australian moral philosopher Peter Singer's 1975 book Animal Liberation. [2] Singer asserts that if all beings, not just humans, are included as having interests that must be considered, then the principle of equal consideration of interests opposes not only racism and sexism , but ...
"The Expanding Circle: Ethics and Sociobiology by Peter Singer Oxford: Clarendon Press, 1981, xiv+190 pp., £6.95. The Shaping of Man: Philosophical Aspects of Sociobiology by Roger Trigg Oxford: Blackwell, 1982, xx+186 pp., £12.50, £6.95 paper".
In recent years, versions of the argument have been put forward by Peter Singer, [9] Tom Regan, [10] Evelyn Pluhar, [11] and Oscar Horta. [ 5 ] James Rachels has argued that the theory of evolution implies that there is only a gradient between humans and other animals, and therefore marginal-case humans should be considered similar to non-human ...
Singer considers speciesism to be a form of arbitrary discrimination similar to racism or sexism. [ 16 ] [ 17 ] Gradualist sentientism proposes that the value of sentient beings is relative to their degree of sentience, which is assumed to increase with the cognitive, emotional and social complexity.
Similarly, Peter Singer argues that non-human animals deserve the same equality of consideration that we extend to human beings. [10] His argument is roughly as follows: Membership in the species Homo sapiens is the only criterion of moral importance that includes all humans and excludes all non-humans.
The term speciesism, and the argument that it is a prejudice, first appeared in 1970 in a privately printed pamphlet written by British psychologist Richard D. Ryder. Ryder was a member of a group of academics in Oxford, England, the nascent animal rights community, now known as the Oxford Group.