post hoc, ergo propter hoc

Latin phrase
post hoc, er·​go prop·​ter hoc | \ ˈpȯst-ˌhōk ˌer-gō-ˈprȯp-ter-ˌhōk How to pronounce post hoc, ergo propter hoc (audio) \

Definition of post hoc, ergo propter hoc

: after this, therefore because of this : because an event occurred first, it must have caused this later event used to describe a fallacious argument

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to form ideas or theories about something

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