あし素性 そせい原理 げんりではありませんでした
ashisoseigenridewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 足素性原理

1. It was not the fundamental principle of feet.; It was not based on fundamental foot properties.

Past/Perfective
Negative
Polite
Formal Register
Linguistics