first principles

Noun

plural plural-only

The set of basic statements on which a method, theory, or organisation is founded.

Japanese Meaning

基本原理 / 第一原理

When redesigning the product, we returned to first principles to avoid repeating old mistakes.

製品を再設計する際、古い過ちを繰り返さないように根本原理に立ち返りました。

Sense（1）

The set of basic statements on which a method, theory, or organisation is founded.

The rules and regulations don't answer the question. First principles are required.