Consider the following premises. Barbara is driving a car or Richard is playing squash. James is an electrician if and only if Robert is a musician. James is an electrician if and only if Barbara is driving a car. Robert is not a musician. Can we infer the following from them? If we can, name the inference rule being used: James is an electrician if and only if Robert is a musician.
That is one of the premises. Therefore, the answer is yes.