The MECE principle stands for Mutually Exclusive, Collectively Exhaustive. The core idea is to break down a problem step by step so that all elements of the problem are clearly defined, with no overlap between them. This helps effectively grasp the core of the problem and find solutions.
Break down large problems into smaller ones to make them easier to solve. Accurately list all issues and check whether everything related to the problem is included, forcing yourself to ask if anything is missing.
Achieve completeness without redundancy.
