Consider the ordering relation a | b ⊆ N x N over natural numbers N such that a | b if there exists c belong to N such that a*c=b. Then ___________

Every subset of N has an upper bound under |

(N,|) is a lattice but not a complete lattice

Consider the ordering relation a | b ⊆ N x N over natural numbers N

1.	Consider the ordering relation a \| b ⊆ N x N over natural numbers N such that a \| b if there exists c belong to N such that a*c=b. Then ___________
A.	\| is an equivalence relation
B.	It is a total order
C.	Every subset of N has an upper bound under \|
D.	(N,\|) is a lattice but not a complete lattice
Answer» E.

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Consider the ordering relation a | b ⊆ N x N over natural numbers N such that a | b if there exists c belong to N such that a*c=b. Then ___________

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