Position paper argues grounded abduction is the missing reasoning leap for LLMs

bibryam · x · 2026-09-26

A position paper frames LLM reasoning through three modes: induction (case + result -> rule) and deduction (rule + case -> result), where LLMs are already strong, versus abduction (rule + result -> case), which it argues remains the missing jump. Grounded abduction — inferring explanatory causes — is presented as the key capability gap LLMs must close to reason genuinely.

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