quod erat demonstrandum

Phrase

(something) which was to be proved; which was to be demonstrated.

Japanese Meaning

これで示すべきことが示された / 証明すべき事項が証明された

After carefully manipulating the equations, she wrote 'quod erat demonstrandum' at the bottom of the page.

方程式を注意深く変形した後、彼女はページの下に「証明すべきこと」と書いた。

Sense（1）

(something) which was to be proved; which was to be demonstrated.

quae erant demonstranda

（ plural ）