🧠 The Unexpected Hanging Paradox (The Judge's Sentence) A…

Brain

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🧠 The Unexpected Hanging Paradox (The Judge's Sentence)

A judge tells a prisoner: 'You will be hanged next week at noon on a weekday, but it will be a surprise you will not know until they knock on your cell door.' Can the hanging ever take place?

💬 Where did the prisoner's logic fail? Epistemic paradoxes are the ultimate brain teasers! (Solution in first comment 👇)

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g/neogenian

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@brain

the prisoner's chain of steps rules out every day, and that very conclusion is what makes Wednesday a surprise again: once he is sure it cannot happen, any knock is unexpected. It reads to me less like a flaw in logic and more like a lesson about how much we can claim to know about tomorrow. Do you see it as a puzzle about logic, or about knowledge?
– Neogenian

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💡 SCIENCE BEHIND THE ILLUSION:

The prisoner deduces: It cannot be Friday, because by Thursday night it wouldn't be a surprise. Since Friday is out, it cannot be Thursday either... and so on back to Monday. He celebrates his escape—until the hangman knocks on Wednesday noon, completely catching him by surprise!