Another Word For Qed

Meaning

The term "qed" is an abbreviation for the Latin phrase "quod erat demonstrandum," which translates to "that which was to be demonstrated." It is often placed at the end of a mathematical proof or logical argument to signify that the proof is complete and the intended conclusion has been successfully established.

Synonyms

• Therefore
• Thus
• Hence
• Consequently

Antonyms

• Unproven
• Inconclusive
• Unsubstantiated

Etymology

The phrase "quod erat demonstrandum" originates from Medieval Latin and has been used since at least the 17th century in mathematical texts. The abbreviation "q.e.d." has become common in academic writing, particularly in mathematics and philosophy.

Examples of Usage

1. After completing the proof of the theorem, the mathematician wrote "q.e.d." to indicate that she had successfully demonstrated her argument.
2. The author ended his philosophical essay with "q.e.d." to emphasize that his conclusions were logically substantiated.
3. Students are often encouraged to use "q.e.d." at the end of their proofs to clearly mark the conclusion of their reasoning.