G, Nagarjuna (2026) From Truth to Trust:Negotiating Objectivity through Calibrated Instruments, Media, and Institutions. [Preprint]

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Abstract

This paper argues that truth-conditional analysis, while adequate for predicative assertions (class membership, taxonomy), does not reach the functional relations—proportionalities, invariances, lawful dependencies between variables—that constitute the distinctive form of modern scientific knowledge. Following Cassirer’s insight that modern science shifted from substance-concepts to function-concepts (Cassirer, 1923), I argue that the epistemology appropriate to functional relations is an account of trust conditions: the depth and calibration of the mediating chain through which a claimed functional relation is grounded in the actual world. An instrument is possible when a functional relation between variables exists; calibration checks that the relation holds within tolerances. Mathematics is the formal language of possible functional relations; science maps these to the actual world through calibrated instruments. I develop this through a layered account of epistemic mediation, from the agent’s biologically calibrated sensory apparatus (Layer 0, predominantly predicative) through physically fabricated instruments (Layer 1, where functional relations enter) to cascaded multi-instrument practice (Layer N ). Trust depth is generated through procedural calibration—disciplined, inspectable, reproducible procedures that constrain interpretive variance—of which physical calibration is the special case that most powerfully eliminates reflexivity. I call the resulting position calibrational realism and situate it in relation to entity realism (Hacking, 1983), constructive empiricism (van Fraassen, 1980), operationalism (Bridgman, 1927), and recent work in measurement theory (Tal, 2017; Chang, 2004).

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Item Type:	Preprint
Creators:	Creators Email ORCID G, Nagarjuna nagarjun@gnowledge.org 0000-0001-6773-8454
Keywords:	trust conditions, functional relations, objectivity, instruments, calibration, realism, measurement, truth conditions
Subjects:	General Issues > Realism/Anti-realism
Depositing User:	Dr. Nagarjuna G
Date Deposited:	05 Apr 2026 12:32
Last Modified:	05 Apr 2026 12:32
Item ID:	28910
DOI or Unique Handle:	https://doi.org/10.5281/zenodo.19420098
Subjects:	General Issues > Realism/Anti-realism
Date:	4 April 2026
URI:	https://philsci-archive.pitt.edu/id/eprint/28910

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