Willard Van Orman Quine
Willard Van Orman Quine
Willard Van Orman Quine
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<strong>Quine</strong> and Logical Positivism 255<br />
without appeal to analyticity. Holism lets mathematics share empirical content<br />
where it is applied [emphasis added], and it accounts for mathematical<br />
necessity by freedom of selection and the maxim of minimum mutilation.<br />
(PTb 55–6)<br />
And here is what he says in his 1996 “Philosophical Self-portrait”:<br />
Mathematics, in so far as applied, is of a piece with natural science; for the<br />
applied mathematical sentences are in the block of sentences that jointly<br />
imply the [observation] categorical. Mathematics thus imbibes empirical<br />
content in so far as applied. (APSP 465–6)<br />
<strong>Quine</strong> was asked specifically to clarify his position on this issue.<br />
Roger Gibson, in his essay “<strong>Quine</strong>’s Philosophy: A Brief Sketch”<br />
(1998), writes that “in his latest book, From Stimulus to Science,<br />
<strong>Quine</strong> seems to abandon the idea that even applied mathematics partakes<br />
of empirical content” (p. 677), and Gibson quotes the passage<br />
from that book extracted above. Gibson goes on to remark that “[t]his<br />
apparent conflict with <strong>Quine</strong>’s Pursuit of Truth account might be<br />
merely terminological (‘partake’ v. ‘confer’) or it might reveal something<br />
more profound about <strong>Quine</strong>’s conception of cognitive meaning<br />
and how his view differs from that of the logical positivists (or both)”<br />
(p. 678). The word ‘partake’ as cited by Gibson comes from a passage<br />
in “Two Dogmas in Restrospect” that I quoted earlier:<br />
Sentences of pure arithmetic and differential calculus contribute indispensably<br />
to the critical semantic mass of various clusters of scientific hypotheses,<br />
and so partake of the empirical content imbibed from the implied observation<br />
categoricals. (TDR 269)<br />
It is joined by the words ‘share’ and ‘imbibes’ in the late passages of<br />
<strong>Quine</strong>’s earlier view that I have just quoted.<br />
<strong>Quine</strong> replied to Gibson’s query as follows:<br />
Gibson has found, to my chagrin but gratitude, a disagreement between<br />
my consecutive little books Pursuit of Truth and From Stimulus to Science<br />
regarding empirical content of mathematics. I rest with the later position,<br />
namely, that mathematics lacks empirical content. The point is that no<br />
set of mathematical truths implies any synthetic observation categoricals.<br />
(RGQ 685)<br />
This reply is very odd. If what he said in From Stimulus to Science<br />
expresses a new view, one that disagrees with his long-stated view of<br />
Cambridge Companions Online © Cambridge University Press, 2006