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A free semilattice has the _______ property.(a) intersection(b) commutative and associative(c) identity(d) universalThe question was asked in homework.I want to ask this question from Graphs topic in division Graphs of Discrete Mathematics

Answer»

The correct answer is (d) universal

For explanation I WOULD say: Any SET X may be used to generate the FREE semilattice FX. The free semilattice is DEFINED to consist of all of the finite subsets of X with the semilattice operation GIVEN by ordinary set union; the free semilattice has the universal property.



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