定言 ていげん てき さん だん論法 ろんぽうじゃなかったです
teigen teki sandanrompōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 定言的三段論法

1. Was not a syllogism of established facts.; Wasn't a definite syllogism.

Past/Perfective
Negative
Polite
Casual Register