Peter Singer, Biological Basis Of Ethics - Reciprocal Altruism As A Norm - Sadler's Lectures

This lecture discusses key ideas from the contemporary Utilitarian philosopher, Peter Singer's essay The Biological Basis of Ethics, excerpted from his book, The Expanding Circle: Ethics and Sociobiology

Here we focus in particular on his discussion about how reciprocal altruism functions as an ethical norm in many settings. He also engages in some speculation about how evolutionary developments could have brought this about for human beings

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