Logic trees (also called issue trees) are at the heart of analytical problem-solving and, therefore, are a recurrent theme on this site. We’ll use two types of trees: diagnosis trees and decision trees.
A logic trees is a graphical breakdown of your key question. Trees have four basic rules:
- They consistently answer to “why” or “how” (depending on your key question)
- They progress from the key question to the analysis as they move to the right
