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   purpose of wiki
       1 study logic
       2 study how to investigate 
       3 study how to check true or not

why these info important ? = we should share, how to solve way. because Total solve speed VS Total problem increase speed, on planet

   contents of wiki
       1 theory to prove
       2 theory to solve
       3 theory to search information

only with logic knowledge, we cant solve problems

   1 knowledges, before learn logics
   2 knowledges of danger event, in info management