What can be inferred from the following premises in a single inference step (ignoring inferences that add new predicates or constants)? For all x_2, x_2 is not a doctor. There is at least one x_2 for which x_2 is a doctor or x_2 is an artist. For all x_2, x_2 is curious or x_2 is not an artist.
There is at least one x_2 for which x_2 is an artist. For all x_2, if x_2 were an artist, then x_2 is curious.