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   Query type: 
    Query was: problem
  

Here are the matching lines in their respective documents. Select one of the highlighted words in the matching lines below to jump to that point in the document.

• Title: Community Building
  Matching lines:
  • problem, after all, is that those who do not already know the
  • matter what it may be called. Therefore, the important problem
• Title: Community Building
  Matching lines:
  • problem caused no serious trouble up to 1918, though there was
  • problems — one again for the mathematical physicists at
  • then set forth how important it was to solve the problem as to
  • regard to this problem and many similar matters I myself have
  • After all, the important problem is the development of a
• Title: Community Building
  Matching lines:
  • urgent and complex problems requiring his presence. The
  • degree upon those special problems of that moment. This content