単調 たんちょう増加 ぞうか数列 すうれつじゃありませんでした
tanchōzōka sū retsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 単調増加数列

1. Was not a monotonically increasing sequence.

Past/Perfective
Negative
Polite
Terminal Form
Mathematics