For a poset with the following Hasse diagram, consider the set {b, e, f}. The least upper bound of this set is: а. f O b. e О с. j O d. does not exist e. I

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For a poset with the following Hasse diagram, consider the set {b, e, f}. The
least upper bound of this set is:
О а. f
O b. e
О с. j
O d. does not exist
e. I
Transcribed Image Text:For a poset with the following Hasse diagram, consider the set {b, e, f}. The least upper bound of this set is: О а. f O b. e О с. j O d. does not exist e. I
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