The Nine Who Never Agree

The Nine Who Never Agree: A closed tribunal has no reliable records. Only its own testimony can expose the truth. Original deductive paradox puzzle with a mathematically certified unique solution.

Original puzzle evidence

A closed tribunal has no reliable records. Only its own testimony can expose the truth.

THE TRIBUNAL · EXTREME

1. Witness A: If I is truthful, then G is truthful.
2. Witness B: At least one of E and G is truthful.
3. Witness C: G and D are not both truthful.
4. Witness D: If E is truthful, then B is truthful.
5. Witness E: Neither H nor C is truthful.
6. Witness F: Exactly 1 of G, H, I, A are truthful.
7. Witness G: Exactly one of C and I is truthful.
8. Witness H: Neither G nor I is truthful.
9. Witness I: Exactly 1 of A, G, F, B, E are truthful.

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