# Russell on Logicism and Coherence

*Russell: The Journal of Bertrand Russell Studies*31 (1):89-106 (2011)

**Abstract**

According to Quine, Charles Parsons, Mark Steiner, and others, Russell's logicist project is important because, if successful, it would show that mathematical theorems possess desirable epistemic properties often attributed to logical theorems, such as a prioricity, necessity, and certainty. Unfortunately, Russell never attributed such importance to logicism, and such a thesis contradicts Russell's explicitly stated views on the relationship between logic and mathematics. This raises the question: what did Russell understand to be the philosophical importance of logicism? Building on recent work by Andrew Irvine and Martin Godwyn, I argue that Russell thought a systematic reduction of mathematics increases the certainty of known mathematical theorems (even basic arithmetical facts) by showing mathematical knowledge to be coherently organized. The paper outlines Russell's theory of coherence, and discusses its relevance to logicism and the certainty attributed to mathematics.

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2011

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MAYROL-6

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References found in this work BETA

Infinite Regrees and Foundations of Mathematics.Lakatos, Imre

Epistemic Logicism & Russell's Regressive Method.Irvine, A. D.

Mathematical Knowledge.Steiner, Mark

Epistemology Naturalized.Quine, Willard Van Orman

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2013-10-31

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