Inference to the Best Explanation
Version 1.0.0 · Updated 2026-07-30
CORE DEFINITION
A form of non-deductive reasoning: among multiple hypotheses that can explain known facts, choose the one with the strongest explanatory power (simplicity, unity, predictive power) as the most likely truth. Also known as a refined form of abductive reasoning. Related concepts: - Best-fit inference: optimal matching of data and model - Optimal rational interpretation: the best explanation under rationality standards. Scaffolding role: provides rational standards for "guessing." Scientific discovery often begins with conjecture, and inference to the best explanation provides criteria for evaluating the quality of conjectures—not just guessing arbitrarily, but guessing the "best" one.
SCAFFOLDING EFFECT
Reduce cognitive load
Provides rational standards for "guessing." Scientific discovery often begins with conjecture, and inference to the best explanation provides criteria for evaluating the quality of conjectures—not just guessing arbitrarily, but guessing the "best" one.
Anchor fast decisions
That is, abductive reasoning for the best explanation: among candidate explanations, choose the one that most simply, broadly, and plausibly accounts for the evidence. The mechanism is competition among explanatory power.
MINIMUM ACTION
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Abductive_reasoningverified
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