No 4 Fibonacci Numbers can be in Arithmetic Sequence/Mistake

Source Work

 * The Dictionary
 * $5$
 * $5$

Mistake

 * (Incidentally, no four terms of the Fibonacci sequence can be in arithmetic progression.)

The trivial case:
 * $F_0 = 0, F_1 = 1, F_3 = 2, F_4 = 3$

has been forgotten.