A = A
An index of tropes having to do with logic.
— The law of identity, the first of the three classical laws of thought
As you can see, many of these tropes
detail ways in which writers can fail at logic
. For some reason, there aren't nearly as many about correct logic...
Compare Intelligence Tropes
. Contrast Madness Tropes
and Emotion Tropes
, which frequently defy logic in various ways.