立体 りったい集合 しゅうごう演算 えんざんじゃありませんでした
rittaishūgōenzanjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 立体集合演算

1. Was not a stereoscopic set operation.; Was not a three-dimensional set operation.

Past/Perfective
Negative
Polite
Terminal Form
Computing