Question: Determine elements in F+. Consider R (ABCDEF) with F = {A -> B, B -> CE, DE -> AF}. (i) Is AD -> F in

Determine elements in F+.

Consider R (ABCDEF) with F = {A -> B, B -> CE, DE -> AF}.

(i) Is AD -> F in F+?

(ii) Is A -> CD in F+?

For each of them, show steps in justification, indicate which Armstrong axiom is used at each step.

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