1-2d You have to know your problem-situation (and your web of ideas) as best as you can to judge the merit of new explanations
3-1c1 Learning with intent to use them in the future (i.e., performance-output-oriented) filters down information, while constantly reminding you of the very problem-situation you are trying to solve and the very purpose that comes with it.
3-1d Consistency requires consistent constraints
RUL3 - Ask at night how what you’ve learned that day fits into your web of ideas, and search for overlaps and contradictions. Most people do not do this.