# Truth Tellers on Tuesdays

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This Demonstration generates logical puzzles about three people, A, B, and C, who tell the truth on some days of the week and lie on the others.

Contributed by: Izidor Hafner (December 2012)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

This Demonstration is an adaption of one of Raymond Smullyan's logic puzzles.

Reference

[1] R. Smullyan, *What Is the Name of This Book?*, Englewood Cliffs, NJ: Prentice-Hall, 1978 pp. 33–41.

## Permanent Citation