Consider R(A, B, C) with FDs F ={AB, BC, AC} Prove or disprove F |= C  AThere are 7 inference rules from Armstrong's Axiom. Which one is to use here?
How can I solve this Functional Dependency?
database theory;databases;normal forms
No inference rule can help you here ! C is not in LHS of any rule here !Closure(C) = C !You can not get A from just C ! 