I love it that it concludes with what is called abduction in my field of academia. So in general you would have deduction, you reason from a set of principles,

I love it that it concludes with what is called abduction in my field of academia. So in general you would have deduction, you reason from a set of principles, or induction, you reason from specific instances towards the principles. Abduction is like induction, but that you find a completely new type of principles, unknown before.