しょう行列 ぎょうれつ しきじゃありませんでした
shō gyōretsu shikija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 小行列式

1. It was not a minor determinant.; It wasn't a small matrix.

Past/Perfective
Negative
Polite
Terminal Form
Mathematics