宣言 せんげん部分 ぶぶん集合 しゅうごうじゃなかったです
sengembubunshūgōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 宣言部分集合

1. Wasn't a declaration subset.; Wasn't part of the declaration.

Past/Perfective
Negative
Polite
Casual Register
Computing