Incommensurability
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Different paradigms lack a common standard of measurement. Newtonian mechanics and quantum mechanics are not just different formulas; their definitions of 'mass' and 'time' differ, so they cannot be directly compared in terms of superiority or inferiority, just as one cannot compare 'the deliciousness of an apple' with 'the area of a triangle'. Scaffolding role: cross-disciplinary communication barrier. It explains why humanities and science students, or traditional Chinese medicine and Western medicine, often cannot converse. Because they not only have different viewpoints, but their underlying conceptual grids are mutually exclusive.
SCAFFOLDING EFFECT
Reduce cognitive load
Cross-disciplinary communication barrier. It explains why humanities and science students, or traditional Chinese medicine and Western medicine, often cannot converse. Because they not only have different viewpoints, but their underlying conceptual grids are mutually exclusive.
Anchor fast decisions
A paradigm (Kuhn) carries its own set of concepts, standards, and worldview. When two paradigms have different definitions and evaluation criteria for basic terms, the dispute is not on the 'same chessboard' and cannot be adjudicated with a common unit. This explains the failure of cross-disciplinary/cross-position dialogue: it is not about who is right or wrong, but a lack of common measure. It also reminds us to be wary of treating our own paradigm as the sole yardstick.
MINIMUM ACTION
In progress 0/5Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Commensurabilityverified
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