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I am confused. I can't figured out how to find GLB, LUB. In what cases and How they don't exists. Please tell me how to do it. Thanks !
asked in Set Theory & Algebra by (95 points) | 417 views

If you would have given some question i would have explained you in a much better way.

Draw the Hasse diagram, take any two points in Hasse diagram

  • now GLB (greatest lower bound) is the closest point in lower direction where these two points meet.
  • and LUB is the the closest point in upward direction where they meet.

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