Jack KRC> At the risk of being pedantic, what is meant by "mathematical" here? That question is important for understanding what Peirce meant in saying that Phaneroscopy depends on mathematics. The simplest and clearest definition: "Anything that can be completely specified by a definition stated in any branch of mathematics." This definition is consistent with everything Peirce wrote. There are many statements by Peirce that say something very similar to this, and nobody has found any statement by Peirce that is inconsistent with it. John
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