“erat”

The following 2 entries include the term erat.

quod erat demonstrandum

Latin phrase

: which (is what) was to be shown (originally) abbreviation QED used at the end of a logical or mathematical proof

quod erat faciendum

Latin phrase

: which (is what) was to be done (originally) abbreviation q.e.f. used at the end of a geometrical construction


Challenging Standardized Test Words

  • high school student holding a pencil leaning over a sat test
  • Despite the cacophony, the student tried to study.
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