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August 2021 What Problem Did Ladd-Franklin (Think She) Solve(d)?
Sara L. Uckelman
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Notre Dame J. Formal Logic 62(3): 527-552 (August 2021). DOI: 10.1215/00294527-2021-0026

Abstract

Christine Ladd-Franklin is often hailed as a guiding star in the history of women in logic—not only did she study under C. S. Peirce and was one of the first women to receive a PhD from Johns Hopkins, she also, according to many modern commentators, solved a logical problem which had plagued the field of syllogisms since Aristotle. In this paper, we revisit this claim, posing and answering two distinct questions: Which logical problem did Ladd-Franklin solve in her thesis, and which problem did she think she solved? We show that in neither case is the answer “a long-standing problem due to Aristotle.” Instead, what Ladd-Franklin solved was a problem due to Jevons that was first articulated in the nineteenth century.

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Sara L. Uckelman. "What Problem Did Ladd-Franklin (Think She) Solve(d)?." Notre Dame J. Formal Logic 62 (3) 527 - 552, August 2021. https://doi.org/10.1215/00294527-2021-0026

Information

Received: 27 January 2021; Accepted: 5 April 2021; Published: August 2021
First available in Project Euclid: 6 October 2021

Digital Object Identifier: 10.1215/00294527-2021-0026

Subjects:
Primary: 01A55
Secondary: 08-03

Rights: Copyright © 2021 University of Notre Dame

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Vol.62 • No. 3 • August 2021
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