前進 ぜんしん てき論証 ろんしょうじゃありませんでした
zenshin teki ron shōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 前進的論証

1. Was not a forward-looking argument.; Was not a progressive argument.

Past/Perfective
Negative
Polite
Terminal Form