単調 たんちょう減少 げんしょう数列 すうれつではありません
tanchōgenshō sū retsudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 単調減少数列

1. Is not a monotonically decreasing sequence.

Negative
Polite
Formal Register
Mathematics