証明 しょうめい しょう経路 けいろじゃありませんでした
shōmei shō keirojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 証明証経路

1. It wasn't proof/evidence.; It wasn't a proven path.

Past/Perfective
Negative
Polite
Terminal Form
Computing