Couldn't there also be the possibility that there are more pin-tipped etching tools than bladed etching tools? That would be a sufficient assumption to guarantee the conclusion.

@clarktoo I am on the same wavelength as you. What I found to be beneficial as an alternative to mapping is just highlighting. I leave context and irrelevant information blank, highlight indicators one color, conditions in another, and premises/conclusions with another (depends on the question type).

You can mentally diagram Lawgic without actually writing anything down. Once you get more reps in, it becomes automatic. Also, you can use the kick-up method talked about in the foundational modules to skip certain conditions if they are irrelevant or obvious.