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post hoc

[pohst hohk; English pohst hok]
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adverb Latin.
  1. after this; afterward.
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Compare propter hoc.

post hoc, ergo propter hoc

[pohst hohk, er-goh prohp-ter hohk; English pohst hok, ur-goh prop-ter hok er-goh]
Latin.
  1. after this, therefore because of it: a formula designating an error in logic that accepts as a cause something that merely occurred earlier in time.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for post hoc

post hoc

noun
  1. logic the fallacy of assuming that temporal succession is evidence of causal relation
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Word Origin

from Latin, short for Post hoc ergo propter hoc after this, therefore on account of this
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for post hoc

Latin, "after this." Especially in post hoc, ergo propter hoc, logical fallacy, literally "after this, therefore because of this."

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Online Etymology Dictionary, © 2010 Douglas Harper