可付 かふ ばん集合 しゅうごうじゃありませんでした
kafu ban shūgōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 可付番集合

1. Was not a payable set.; Was not a set of payable numbers.

Past/Perfective
Negative
Polite
Terminal Form
Mathematics