Daniel Callcut in Aeon:
The acclaimed British philosopher Bernard Williams, writing in the 1970s, showed that a common way of arguing for moral relativism is confused and contradictory. Nonetheless, he went on to defend a philosophical worldview that incorporated some of relativism’s underlying ideas. There is much to learn, when we think about the ongoing culture wars over moral values, from the encounters with relativism that recur throughout Williams’s work. First, however, it’s useful to understand why a prevalent feature of the culture wars, arguing over which words to use, itself quickly leads to arguments over relativism.
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