ABSTRACT
One of the main topics one has to take into account in the analysis or building of imaginary worlds is that of consistency, which is generally understood as "the degree to which world details are plausible, feasible, and without contradictions". However, despite the efforts of many authors and fans to avoid or explain away inconsistencies, irreducibly contradictory fictional worlds abound in any medium, whether they're secondary worlds not close to the one we live in or fictionalized versions of cities and regions of the world we inhabit. When thinking of an imaginary world's levels of consistency, it is important to keep in mind that consistency works in at least three dimensions: one regarding singular entities and elements; one regarding the compossibility of world elements, and their capability of working together without blatant contradictions; and another one regarding the world's conformity to expectations that stem from its parent work's mode of narration, tone, genre, or even franchise.
