text: (1) Showy talkers think too much of themselves;
  (2) No really well-informed people are bad company;
  (3) People who think too much of themselves are not good company. 
  
  extract the symbolical logic the connects all the items on the list, this is critical thinking exercise regarding why details are mentioned. All information provided is crucial, consider all aspects why it might be included, do not assume any other external information, these are the only REAL facts in the whole world. The answer can only be gleaned from all items combined. The symbolical logic is probably about the most demonstrative concept in the list and not a direct conclusion. Formulate one short factual statement that follows: