post hoc, ergo propter hoc[pōst′ häk′ er′gō präp′tər häk′]
post hoc, ergo propter hoc definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
after this, therefore because of this: used in logic to designate the fallacy of thinking that a happening which follows another must be its result, and sometimes clipped to
Origin: Classical Latin
post hoc, ergo propter hoc - Legal Definition
After this; therefore because of this. An illogical notion that because one thing occurred after another, it must have been caused by the first thing.