文書 ぶんしょ がた宣言 せんげん部分 ぶぶん集合 しゅうごうではありません
bunshogata sengembubunshūgōdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 文書型宣言部分集合

1. Is not a set of formal polite declarative phrases.; Is not a collection of formal polite declarations.

Negative
Polite
Formal Register
Computing