Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M11661

Default Logic

Default Logic
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

Default logic is a non-monotonic logic proposed by Raymond Reiter to formalize reasoning with default assumptions.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Default logic is a non-monotonic logic proposed by Raymond Reiter to formalize reasoning with default assumptions.

anchor

Anchor fast decisions

When information is incomplete, reasoning proceeds according to default (typical) assumptions; conclusions can be overturned by new evidence, constituting defeasible reasoning.

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Source support: Explicit

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