The less-than relation,

1.	The less-than relation,
A.	not a partial ordering because it is not asymmetric and irreflexive equals antisymmetric
B.	a partial ordering since it is asymmetric and reflexive
C.	a partial ordering since it is antisymmetric and reflexive
D.	not a partial ordering because it is not antisymmetric and reflexive
Answer» B. a partial ordering since it is asymmetric and reflexive

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The less-than relation,

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