後退 こうたい てき論証 ろんしょうじゃなかったです
kō taitekiron shōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 後退的論証

1. Wasn't a retreat/backtracking argument.; Wasn't a defensive argument.

Past/Perfective
Negative
Polite
Casual Register