Originally Posted by
Sol
When opinions relate to logical region (as an asnwer "what is an object"), the better abbility to base them logically means higher chance those opinions are correct.
Related to types, this means better understanding of logical side of the reality by T types and better usage by them of mathematical and other logical explanations.
Other 3 functions describe the reality from other sides and help to describe and understand it too. For example, F describes emotional perception of right and wrong, what is secondary linked with logical aspects of useful or harmful.