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a small post office has only 4-cent stamps 6-cent stamps and 10-cent stamps find a recurrence relation for the number
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a what is the equivalence class of 1 2 with respect to the equivalence relation in exercise 15b give an interpretation
a what is a reflexive relationb what is a symmetric relationc what is an antisymmetric relationd what is a transitive
a define the reflexive closure and the symmetric closure of a relationb how can you construct the reflexive closure of
a define the transitive closure of a relationb can the transitive closure of a relation be obtained by including all