Logic and the Suspension of Disbelief
Fiction writers have the most freedom to write whatever they want. After all, fiction is—by definition—not true. Thus, without the constraints of truth holding them down, fiction writers can write about things that don’t make any sense. This is how the more fantastical genres of science fiction and fantasy can get away with having aliens, dragons, and any other number of crazy things the author can think up.
While fiction doesn’t have to hold to the tenets of truth, there is one fundamental foundation needed for this—or any other—writing. That foundation is logic. Even if readers can accept a world that has faster-than-light travel or a ring that can make its wearer invisible, if there isn’t a logic supporting these claims, the reader will begin to doubt the world the writer has created. The second that doubt creeps in, disbelief isn’t far behind.
A hole in logic is a hole in the plot.
Because there’s no need to write factual things in fiction,...