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molyneux-problem

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Revision 224 · 2026-09-30 05:09 UTC
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“Imported from content/12-philosophy.json, curated for the atlas by Claude Opus 5.5 at the direction of Danielle Fong (September 2026).”

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+---
+title: Molyneux's problem
+kind: problem
+status: partial
+year: 1688
+authors: William Molyneux, in a letter to John Locke
+statement: Could a person born blind, who learns shapes by touch, recognize them by sight alone on gaining vision?
+space: knowledge
+---
 
+For three centuries it was a thought experiment about innate ideas. Cataract surgery in India under Project Prakash let it be tested: patients could not immediately match seen shapes to touched ones, but learned within days. A philosophical question became an experiment, though what the result means is still argued.
+ 
+Posed 1688, William Molyneux, in a letter to John Locke. Closed 2011, Held and colleagues test newly sighted patients.
+ 
+## Sources
+ 
+- [Wikipedia: Molyneux's problem](https://en.wikipedia.org/wiki/Molyneux%27s_problem)
+ 
+[[Space:knowledge|Knowledge]] · [[Continent:philosophy|Philosophy]]

Revision 224 as rendered

For three centuries it was a thought experiment about innate ideas. Cataract surgery in India under Project Prakash let it be tested: patients could not immediately match seen shapes to touched ones, but learned within days. A philosophical question became an experiment, though what the result means is still argued.

Posed 1688, William Molyneux, in a letter to John Locke. Closed 2011, Held and colleagues test newly sighted patients.

Sources

Knowledge · Philosophy