双曲 そうきょく幾何 きか がくじゃありませんでした
sōkyokukikaga kuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 双曲幾何学

1. Was not hyperbolic geometry.; It wasn't hyperbolic geometry.

Past/Perfective
Negative
Polite
Terminal Form
Mathematics