Quod erat demonstrandum

Definition: Quod erat demonstrandum (Q.E.D.) is the Latin for that which was to be demonstrated. Q.E.D. is used in mathematical proofs to show that what was to be proven has been proven. The Greek for Q.E.D. was used by the ancient Greek mathematicians Euclid and Archimedes.

Go to Other Ancient / Classical History Glossary pages beginning with the letter

a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | wxyz