Mathematical implication diagram
Raster version by <a href="//commons.wikimedia.org/w/index.php?title=User:StefanEckert&amp;action=edit&amp;redlink=1" class="new" title="User:StefanEckert (page does not exist)">StefanEckert</a>, vector image by <a href="//commons.wikimedia.org/wiki/User:Offnfopt" title="User:Offnfopt">Offnfopt</a>
<span class="int-own-work" lang="en">Own work</span> modeled after <a href="//commons.wikimedia.org/wiki/File:Mathematical_implication_diagram_eng.jpg" title="File:Mathematical implication diagram eng.jpg">File:Mathematical implication diagram eng.jpg</a>