When a mathematician writes QED at the end of a proof, what does this mean?

Question

Maritza Fernandez

Mathematics

15 May, 11:09

When a mathematician writes QED at the end of a proof, what does this mean?

+1

Answers (2)

Know the Answer?

Kassidy Beasley · Answer 1

QED in Latin stands for "quod erat demonstrandum" (in English is "that which was to be demonstrated"). It is put at the end of a mathematical proof to indicate the proof completed.

Darryl Vaughn · Answer 2

check your handy dandy dictionary.

QED

Latin: Quod Erat Demonstrandum.

what I wanted to proved, I proved.