Meaning of quae erant demonstranda | Babel Free

Definitions

Phrase. [C1]

Examples

“Therefore it is established that the join CD will be equal, or less, or greater than this AB, according as the angles at the same CD are right, or obtuse, or acute. Quae erant demonstranda.”

“The proving of a geometrical theorem is, of course, an exercise in logical thinking, but the pupil needs to be made conscious of this, and also conscious of the fact that the same processes of thought are applicable in quite other fields and will lead to equally satisfactory results (quae erant demonstranda) there too.”

CEFR level