# The Hardest Logic Puzzle Ever

> logic puzzle by George Boolos and Raymond Smullyan

**Wikidata**: [Q33041](https://www.wikidata.org/wiki/Q33041)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever)  
**Source**: https://4ort.xyz/entity/the-hardest-logic-puzzle-ever


## References

1. [Source](http://www.hcs.harvard.edu/~hrp/issues/1996/Boolos.pdf)
2. Freebase Data Dumps. 2013