Charles Santiago Sanders Peirce

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Charles Sanders Peirce
Bibliography
Pragmatism in epistemology
Abductive reasoning Fallibilism Pragmaticism as maxim as theory of truth Community of inquiry
Logic
Continuous predicate Peirce's law Entitative graph in Qualitative logic Existential graph Functional completeness Logic gate Logic of information Logical graph Logical NOR Second-order logic Trikonic Type-token distinction
Semiotic theory
Indexicality Interpretant Semiosis Sign relation Universal rhetoric
Miscellaneous contributions
Agapism Bell triangle Categories Phaneron Synechism Tychism Classification of sciences Listing number Quincuncial projection
Biographical
Joseph Morton Ransdell Allan Marquand Juliette Peirce Charles Santiago Sanders Peirce Roberta Kevelson Christine Ladd-Franklin Victoria, Lady Welby The Metaphysical Club book Peirce Geodetic Monument
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Charles Santiago Sanders Peirce was the adopted name of Charles Sanders Peirce (September 10, 1839 – April 19, 1914), an American philosopher, logician, mathematician, and scientist. Peirce's name appeared in print as "Charles Santiago Peirce" as early as 1890. Starting in 1906 he used "Santiago" in many of his own articles. There is no well-documented explanation of why Peirce adopted the middle name "Santiago" (Spanish for Saint James) but speculations and beliefs of contemporaries and scholars focused on his gratitude to his old friend William James and more recently on Peirce's second wife Juliette (of unknown but possibly Spanish Gypsy heritage).