Self-Reference and Paradox
Updated 2026-09-10
INTRODUCTION
English translation pending.
CORE DEFINITION
In the context of language, self-reference occurs when a statement refers to itself or to its own referent. The most famous example is the liar sentence, the sentence that says of itself that it is not true. Semantic, set-theoretic, and epistemic paradoxes are the three main families that self-reference gives rise to, and truth theory must somehow accommodate them.
SCAFFOLDING EFFECT
Reduce cognitive load
- Structure identification: detect whether a sentence sets its own truth value as the target of negation. - System diagnosis: diagnose internal contradictions that a rule system produces through self-reference. - Level separation: block the circle by separating object language from metalanguage.
Anchor fast decisions
Self-reference does not by itself lead to contradiction; the trouble arises when it is combined with negation or equivalent semantic notions, so that the truth conditions of the sentence point precisely at its own falsity and the assignment oscillates between true and false with no place to settle. The liar, Russell's paradox, and the epistemic paradoxes look alike precisely because they share this self-imposed negation structure.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- plato.stanford.eduhttps://plato.stanford.edu/entries/self-reference/verified
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