Ontological relativity

Ontological relativity. A concept central to the work of the American philosopher W. V. Quine, ontological relativity challenges the idea that there is a single, absolute way to describe what exists. It is closely tied to his doctrines of the indeterminacy of translation and the inscrutability of reference, arguing that our theories about the world and the objects they posit are relative to a chosen conceptual scheme or language. This view has profound implications for metaphysics, epistemology, and the philosophy of language, suggesting that questions about what exists are meaningful only within a specific theoretical framework.

Definition and philosophical background

The thesis of ontological relativity emerges from a confluence of ideas in 20th-century analytic philosophy. It is deeply rooted in Quine's rejection of the analytic–synthetic distinction and his holistic web of belief model, influenced by earlier thinkers like Pierre Duhem. The concept also engages with debates initiated by Rudolf Carnap concerning internal and external questions, where Carnap argued that ontological claims are meaningful only within a linguistic framework. Quine extended this pragmatic stance, but rejected Carnap's conventionalism, leading to a more radical position where even the reference of terms is not fixed by experience alone. This philosophical backdrop sets the stage for understanding existence as inextricably linked to a background language.

Quine's arguments and indeterminacy of translation

Quine's primary argument for ontological relativity is presented through the thought experiment of radical translation, detailed in his seminal work Word and Object. A linguist attempting to translate a completely unknown language, such as that of the fictional native speakers, faces the indeterminacy of translation: multiple incompatible manuals of translation can be consistent with all possible behavioral evidence. This leads to the inscrutability of reference, where it is impossible to determine absolutely whether a term refers to a rabbit, an undetached rabbit part, or a temporal stage of a rabbit. Quine argued that reference is "nonsense except relative to a coordinate system," a position further illustrated by his proxy function argument, showing that one can systematically reinterpret an entire ontology while preserving the truth of all statements.

Implications for epistemology and metaphysics

Ontological relativity undermines traditional metaphysical projects that seek a definitive catalog of reality's furniture. It suggests that debates between realists about abstract objects and nominalists, or between proponents of materialism and substance dualism, may be disputes about preferred languages rather than discoveries about the world. In epistemology, it reinforces Quine's naturalized epistemology, shifting focus from justifying knowledge claims from a God's-eye view to studying how, within our own evolving theory, we interact with sensory stimuli. This relativized view of ontology also blurs the line between discovering entities and positing them for theoretical convenience, as seen in debates over the reality of electrons or sets.

Criticisms and responses

Several prominent philosophers have challenged ontological relativity. Hilary Putnam argued that it leads to a self-refuting relativism, famously critiquing it in his model-theoretic argument against metaphysical realism. Donald Davidson, while sympathetic to Quine's holism, developed the principle of charity to argue that massive agreement in belief is a precondition of interpretation, which he believed could mitigate radical indeterminacy. Others, like P. F. Strawson in his descriptive metaphysics, maintained that certain categorical structures are indispensable to any coherent experience. In response, Quine and his defenders, such as Dagfinn Føllesdal, maintained that the thesis is a sober conclusion from empiricist premises and does not entail a debilitating skepticism, as we are always operating within a home language.

Influence on analytic philosophy

Ontological relativity has had a lasting and transformative impact across analytic philosophy. It fundamentally shaped subsequent philosophy of language, influencing Saul Kripke's work on rigid designation and naming and necessity as a critical reaction. In the philosophy of science, it informed debates over scientific realism and anti-realism, particularly in the work of Bas van Fraassen and Arthur Fine. The concept also resonated within postmodern philosophy, affecting thinkers like Richard Rorty, who saw it as dissolving traditional philosophical problems. Its legacy continues in contemporary discussions about metaphysical deflationism, conceptual engineering, and the nature of philosophical inquiry itself.

Category:Philosophical concepts Category:Metaphysical theories Category:Analytic philosophy Category:Epistemological theories