AbstractIn the early 1730s George Berkeley began to explore the conceptual field between ideas and spirits that he previously claimed to be empty. In this field he found a rich set of concepts including “notions,” “principles,” “beliefs,” “opinions,” and even “prejudices.” Elsewhere I have referred to this phase in Berkeley’s thought as his “second conceptual revolution.”2 I believe that it was motivated by his increasing need to develop a language to discuss the social, moral and...
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