Analytic-Synthetic Distinction

The purported division between statements true by virtue of meaning alone (“all bachelors are unmarried” — analytic) and those true by virtue of fact (“snow is white” — synthetic). Quine’s Two Dogmas of Empiricism attacks it as the first “dogma”: every attempt to define analyticity (via synonymy, definition, semantic rules) covertly presupposes the very notion, so the distinction is unfounded. Rejecting it leads to Semantic Holism.

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Quine-Duhem Thesis

The claim that hypotheses cannot be tested in isolation: any prediction follows only from a theory together with a web of auxiliary assumptions, so a failed prediction never falsifies a single statement — one can always preserve a hypothesis by revising something else (“no statement is immune to revision”). Underwrites Quine’s Confirmation Holism and, with the collapse of the Analytic-Synthetic Distinction, his Semantic Holism.

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Two Dogmas of Empiricism - Quine

Two Dogmas of Empiricism

Reference: Quine, W. V. O. (1951). Two Dogmas of Empiricism. The Philosophical Review 60(1): 20–43. Reprinted in From a Logical Point of View (Harvard UP 1953). URL (PDF) · SEP entry on Quine

Summary

“Two Dogmas of Empiricism” is the paper that ended logical empiricism and made semantic holism respectable. Quine attacks two interlocking commitments of the Carnapian programme: (1) the analytic–synthetic distinction, the doctrine that some truths are true purely in virtue of meaning (analytic: all bachelors are unmarried) and others true in virtue of meaning plus how the world is (synthetic: snow is white); and (2) reductionism, the doctrine that every meaningful sentence is translatable into a statement about immediate experience. The two dogmas are mutually supporting — if either were good, the other would be needed to support it — and Quine shows that neither survives independent scrutiny.

The argument against the analytic–synthetic distinction works by demonstrating that every proposed definition of analyticity (in terms of synonymy, definition, semantic rules, or interchangeability salva veritate) either is circular or relies on a notion (cognitive synonymy, semantic rule) that is itself in need of the very explanation analyticity was supposed to provide. The argument against reductionism is that individual statements do not have their own range of experiential consequences — they face the tribunal of experience only as a body. The positive thesis that emerges is semantic holism: “Our statements about the external world face the tribunal of sense experience not individually but only as a corporate body” (§5). Coupled with Quine’s observation that no statement is immune to revision, this yields the famous web-of-belief picture: science is a fabric of beliefs in which the periphery is more responsive to experience and the interior (logic, mathematics, ontology) more conservative, but no part is constitutively immune.

For the inferentialist line, Quine plays an ambivalent role: he motivates inferentialism by demolishing the analytic–synthetic distinction, since one can no longer separate “the meaning of vixen” from “what we believe about vixens” — all the inferential connections in which vixen is enmeshed are partly constitutive of its meaning. But the same move threatens inferentialism, because if meaning is all the inferential connections then meaning is so holistic that no two speakers (or no speaker at two times) ever quite mean the same thing. This is the basis of Fodor and Lepore’s challenge: inferentialism inherits Quine’s holism, and Quine’s holism may be too much holism. For the ACL line, Quine matters because it implies that the meaning of propose, commit, retract in an ACL is constituted by the whole web of inferences in which those tokens are enmeshed — which is exactly why dialect contracts and protocol scaffolding matter: they fix the local web within which the wire-format performatives have determinate content.

Key Ideas

Two dogmas demolished: (1) the analytic–synthetic distinction is not defensible; (2) reductionism (every sentence has its own experiential cash value) is not defensible. They prop each other up; neither survives independently.
Circle of intensional notions: synonymy, analyticity, semantic rule, definition, cognitive equivalence — every attempt to define one in terms of the others is circular or empty.
Confirmation holism: scientific theories are tested as wholes against experience; the unit of empirical significance is the whole web of belief, not the individual sentence.
No statement is immune to revision: even logical and mathematical truths can be revised under sufficient empirical pressure (Quine cites quantum logic as illustration), and even peripheral observations can be saved by adjusting the interior of the web.
Web of belief: science is a fabric of beliefs with relations of mutual support; the periphery touches experience, the interior is more theoretically loaded, but the distinction is one of degree.
Pragmatic / empiricist reconstruction of analyticity: insofar as analytic has any use, it picks out sentences near the centre of the web, ones we are very reluctant to revise — a graded, pragmatic status rather than a sharp logical kind.

Connections

Conceptual Contribution

Claim: The analytic–synthetic distinction is undefendable, and theories meet the tribunal of experience as a whole, not statement-by-statement. Meaning is therefore not isolable from theory: the meaning of a term is partly constituted by the web of inferences in which it figures.
Mechanism: A six-section paper. §§1–4 walk through five candidate definitions of analyticity (definition, interchangeability salva veritate, semantic rules, etc.) and show each is either circular or empty. §5 attacks reductionism by showing that individual statements lack their own range of experiential consequences. §6 develops the positive picture: the web of belief / fabric of science, with peripheral statements more directly answerable to experience but no statement constitutively immune to revision.
Concepts introduced/used: Semantic Holism, Confirmation Holism, Web of Belief, Analytic-Synthetic Distinction, Quine-Duhem Thesis, Translation Manual (anticipating Word and Object).
Stance: foundational philosophical paper.
Relates to: Quine is the enabling condition for inferentialism: if the analytic–synthetic distinction held, then inferential role would only fix the analytic fragment of meaning and we would need reference / truth-conditions to do the rest. Quine collapses the distinction and lets inferentialism reach further. But Quine is also a threat: if meaning is the whole web, no two speakers mean the same thing, which is Fodor and Lepore’s pressure point against Brandom. The same dialectic applies to ACL semantics: meaning of a performative depends on the inferential web — which is why CBCL’s dialect contracts and the commitment-machine tradition matter — they fix the local web within which wire-format moves have determinate content. The complementary moves in the same period are Sellars 1956 (no Given) and Wittgenstein 1953 (meaning as use).

Semantic Holism

Thesis that the meaning of a sentence/term depends on its inferential role within an entire web of beliefs and inferential commitments, not in isolation. Defended by Quine (Web of Belief, Confirmation Holism) and by Pittsburgh School inferentialists (Brandom).