Question

[FOR FUN] Can you solve this puzzler???

Answer 1

James and Jonathan are liars, who lie on specific days.
James lies on Fridays, Saturdays and Sundays, but he is honest on all other days.
Jonathan lies on Tuesdays, Wednesdays and Thursdays, but he tells the truth on all other days.
On what day of the week would they both say "Tomorrow, I will lie." ?

Answer 2

On Thursday, the day Jonathan lies, he said: "Tomorrow, I will lie"
While James tells the truth and Friday is the day he lies.
I think It will happen on Sunday, too

Answer 3

yes is there some sort of formula for this?

Answer 4

Boolean?