The 1/19 Rule
An excuse used when someone makes a leap in logic with no evidence behind it that leads to the solution of a puzzle regardless.
"Wow Ty, how did you know it was Mr. Red in the dining room with the knife?"
"It was quite simple, I just applied The 1/19 Rule and knew instantly."
"It was quite simple, I just applied The 1/19 Rule and knew instantly."