悪魔 あくま証明 しょうめいじゃなかったです
akumano shōmeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 悪魔の証明

1. It wasn't a proof of the devil.; It wasn't proving the devil existed.

Past/Perfective
Negative
Polite
Casual Register
Law