You cannot understand chiropractic by deductive reasoning unless you first accept the Major Premise and you cannot do that except by faith. Granted, it is a small leap based upon the plethora of empirical evidence but a leap nevertheless, even if one uses inductive reasoning.
It’s easy for me to accept that there an organizing intelligence, it makes more sense. What is harder to accept is that the nervous system has been improved by an adjustment without any inductive proof.
The proof is that innate automatically recognizes the opening for its continued ability to do its flow of cellular healing.