6.We may allow those mutually explanatory or clarifying terms as logical and scientific in nature in a system which we may learn and subsume in our own system for our purpose;

• 第六，我们不妨承认那些在一个系统中双向解释或阐明的术语本质上是有逻辑和科学的，而且为了我们自己的目的，我们可以学习这些术语并将它们包容进我们自己的系统。