the smart way to beat them is using math as does 2+2=4 is a known quantity.
No. The smart way is using math and only asking a single question... No need to find out who the liar is.the smart way to beat them is using math as does 2+2=4 is a known quantity.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.