It is not «deductive reasoning»: it is just "reasoning". That is, revising a body of ideas for qualities pertinent to alethic (truthfulness) and understanding (

It is not «deductive reasoning»: it is just "reasoning". That is, revising a body of ideas for qualities pertinent to alethic (truthfulness) and understanding (completeness). It is critical thinking, continuous cycles of reprocessing. And this cannot be overrated: it is the core activity.