Cognitive Scaffold

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MENTAL MODEL · M10904

Zeroth Law of Thermodynamics

Zeroth Law of Thermodynamics
StructureHigh supportLogic
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

If A is in thermal equilibrium with B, and B with C, then A is in thermal equilibrium with C—defining the transitivity of the concept of "temperature."

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Testing transitivity assumptions. It reminds us to examine the transitivity of relationships: A likes B, B likes C, does A necessarily like C?

anchor

Anchor fast decisions

If two systems are each in thermal equilibrium with a third system, then they are in thermal equilibrium with each other; it defines "temperature" as a comparable physical quantity and is the logical basis for thermometers and temperature scales.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Zeroth_law_of_thermodynamicsZH · Explicit
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