This is a diagram of complexity classes for <a href="https://en.wikipedia.org/wiki/Complexity_classes_P_and_NP" class="extiw" title="w:Complexity classes P and NP">w:Complexity classes P and NP</a>.
Created by <a href="//commons.wikimedia.org/wiki/User:Bdesham" title="User:Bdesham">bdesham</a> using OmniGraffle.