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importantSYS.SOURCE: Abel Jansma Blog• 2026-07-27T12:56:36Z

Tarski's Paradox Demonstrates Limitations of Truth Probes in Large Language Models

#ai#llm#truth-probes#tarski#paradoxes

The article demonstrates that truth probes in large language models cannot reliably capture truth due to self-referential paradoxes akin to Tarski's and Gödel's results. Experimental validation with a Qwen3.5-4B model shows paradoxical sentences produce inconsistent scores, highlighting fundamental limitations in embedding-based truth detection.

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