Thinking is not a single mental skill. It includes retrieving examples from memory, categorizing objects, inferring causes, proposing explanations, and evaluating alternatives. These activities overlap in everyday life and do not necessarily follow a fixed sequence.
The problem shapes the thinking
An unexplained failure is different from a decision with too many possible options. The first invites competing causal explanations; the second may benefit from explicit evaluation criteria. If the actual problem is still unclear, neither a root-cause diagram nor a scoring table should be the first step.
Logic is necessary, but it is not everything
Logic helps us examine whether conclusions follow from assumptions. It does not automatically select those assumptions or create promising new hypotheses. Experience-based intuition can be valuable too, but a judgment developed in familiar circumstances may fail in an unfamiliar setting.
How can quality be assessed?
Ask whether counterexamples were considered, a hypothesis was stated so that evidence could challenge it, and important unknowns were acknowledged. ThinkNavi does not prescribe a universal procedure for sound thinking. It offers a repertoire of perspectives to be adapted to the situation.