Basic principle and Prolegomenon

Basic principle noun - Principles from which other truths can be derived.

Prolegomenon and basic principle are semantically related. in introduction topic. In some cases you can use "Prolegomenon" instead a noun phrase "Basic principle", when it comes to topics like something new.

Prolegomenon noun - A preliminary discussion inserted at the beginning of a book or treatise.

Basic principle and prolegomenon are semantically related. Sometimes you can replace phrase "Basic principle" with "Prolegomenon", this terms are similar.