Cognitive Scaffold

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MENTAL MODEL · M3866

The Halting Problem Criterion

The Halting Problem Criterion
DecideHigh supportDecision Science
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Updated 2026-08-05

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INTRODUCTION

English translation pending.

CORE DEFINITION

From Alan Turing's proof that the halting problem is undecidable. The practical reading is that when a process shows no sign of terminating, no amount of additional internal computation guarantees a verdict. The criterion applies to open-ended deliberation, not to well-posed problems that have a known decision procedure.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Stop-loss circuit: Treat endless weighing as a signal to impose a hard deadline. - Timeout rule: Set a date or an information threshold that forces a decision. - Exit line: Fix the point at which you leave and refuse to renegotiate it.

anchor

Anchor fast decisions

Undecidability means the answer is not merely hard to compute but unavailable from inside the process. Continuing to deliberate therefore adds cost without adding information. An externally imposed timeout converts an unanswerable question into a decidable one by making the clock, rather than the reasoning, the arbiter.

MINIMUM ACTION

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Source support: Explicit

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