post hoc, ergo propter hoc
Latin phrase
post hoc, er·go prop·ter hoc
| \ ˈpȯst-ˌhōk ˌer-gō-ˈprȯp-ter-ˌhōk
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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