The Gettier Problem
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
Edmund Gettier proposed this problem, challenging the traditional definition of knowledge as justified true belief (JTB). He demonstrated that even if a person's belief is true and justified, it may still be a matter of luck (e.g., looking at a stopped clock that happens to show the correct time), and thus cannot count as knowledge.
SCAFFOLDING EFFECT
Reduce cognitive load
- Truth purism: When making decisions, not only must the conclusion be correct (true), but the reasoning process must also be correct (justified). Success achieved by luck (Gettier cases) is not replicable.
Anchor fast decisions
Gettier: justified true belief may still not be knowledge; counterexamples challenge the traditional definition of knowledge.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Gettier_problemverified
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