What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? There is at least one x_6 for which x_6 is a scientist or x_6 is not an electrician. For all x_6, if x_6 plays squash, then x_6 is an electrician. For all x_6, if x_6 were a scientist, then x_6 is playing squash.
For all x_6, if x_6 were a scientist, then x_6 is an electrician. There is at least one x_6 for which if x_6 were an electrician, then x_6 is a scientist.